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Clivus chordoma and torticollis in children, plus chemotherapy.

Clivus chordoma and torticollis in children, plus chemotherapy.

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Literature search results<br />

Search completed for:<br />

Search required by: 14 March 2012<br />

Search completed on: 12 March 2012<br />

Search completed by: Richard Bridgen<br />

Search details<br />

<strong>Clivus</strong> <strong>chordoma</strong> <strong>and</strong> <strong>torticollis</strong> <strong>in</strong> <strong>children</strong> <strong>plus</strong> <strong>chemotherapy</strong>.<br />

Resources searched<br />

NHS Evidence; TRIP Database; Cochrane Library; AMED; BNI; CINAHL; EMBASE; HMIC;<br />

MEDLINE; PsychINFO; Google Scholar<br />

Database search terms : clivus adj2 <strong>chordoma</strong>; CHORDOMA; CRANIAL FOSSA,<br />

POSTERIOR; clivus; “posterior cranial fossa”; cancer*; exp NEOPLASMS; neoplasm*;<br />

tumor*; tumour*; <strong>chordoma</strong>*; torticol*; TORTICOLLIS; “cervical dystonia”; wryneck; torsion<br />

adj2 neck; chordocarc<strong>in</strong>oma; noto<strong>chordoma</strong>; chordoepithelioma; “sphenoid bone”;<br />

SPHENOID BONE; “basilar occipital bone”; “occipital bone”; OCCIPITAL BONE; sphenooccipital;<br />

sphenooccipital; child*; exp CHILD; adolescent*; exp ADOLESCENT; juvenile*;<br />

teenager*; “young person*”; pediatric*; paediatric*; exp PEDIATRICS; <strong>chemotherapy</strong>*; exp<br />

CHEMOTHERAPY; exp DRUG THERAPY<br />

Google search str<strong>in</strong>g : "~clivus" (<strong>chordoma</strong> OR "posterior cranial fossa") (~<strong>torticollis</strong> OR<br />

"cervical dystonia" OR wryneck)<br />

Summary<br />

There is some research on clivus <strong>chordoma</strong> <strong>and</strong> <strong>torticollis</strong> <strong>in</strong> <strong>children</strong> but noth<strong>in</strong>g with the<br />

addition of <strong>chemotherapy</strong> to the search beyond a tantalis<strong>in</strong>g result found <strong>in</strong> Google Scholar<br />

(see item 12).<br />

Guidel<strong>in</strong>es<br />

None found<br />

Evidence-based reviews<br />

1


None found<br />

Published research<br />

1. Clival osteomyelitis mimics central skull base neoplasm <strong>in</strong> a healthy 7-yearold<br />

boy<br />

Author(s): Liang M., Chang F., Wong T.<br />

Citation: Neuro-Oncology, June 2010, vol./is. 12/6(ii133), 1522-8517 (June 2010)<br />

Publication Date: June 2010<br />

Abstract: A 7-year-old boy presented with severe pa<strong>in</strong>ful <strong>torticollis</strong>, headache <strong>and</strong> neck<br />

stiffness for 20 days. Progressive neck pa<strong>in</strong> with fever happened 2 days before admission.<br />

Elevated white blood cell <strong>and</strong> <strong>in</strong>flammatory reactive prote<strong>in</strong> were also noted. CT scan of<br />

bra<strong>in</strong> <strong>and</strong> cervical sp<strong>in</strong>e revealed an osteolytic lesion with soft tissue mass over clivus,<br />

suspected to be leukemia, eos<strong>in</strong>ophilic granuloma, Ew<strong>in</strong>g sarcoma or <strong>chordoma</strong>. MRI of<br />

bra<strong>in</strong> disclosed an enhanc<strong>in</strong>g marg<strong>in</strong> lesion over clivus with a few fluid accumulations over<br />

retropharyneal space. Initially, central skull base neoplasm with related men<strong>in</strong>gitits was<br />

impressed; however, the diagnosis changed to clival osteomyelitis after f<strong>in</strong>e needle CTguided<br />

biopsy through pterygo-m<strong>and</strong>ibular fossa. The pathology of the specimens showed<br />

lymphoid cells <strong>and</strong> histiocytes <strong>in</strong>clud<strong>in</strong>g CD20(+) B-lymphoid cell, CD3(+) T-lymphoid cells,<br />

CD138(+) plasma cells, neurtrophils <strong>and</strong> eos<strong>in</strong>ophils, <strong>and</strong> negative for malignant cells.<br />

Antibiotic treatment us<strong>in</strong>g cl<strong>in</strong>damyc<strong>in</strong> <strong>and</strong> claforan started <strong>and</strong> cont<strong>in</strong>ued for 4 weeks. The<br />

symtoms of neck pa<strong>in</strong> <strong>and</strong> stiffness dramatically decreased after 3 days of treatment <strong>and</strong><br />

mostly subsided <strong>in</strong> one week. The follow-up images after 3 months showed complete<br />

resolution of <strong>in</strong>flammation without recurrence. Clival osteomyelitis could present clival<br />

syndrome <strong>and</strong> mimic central skull base neoplasm. This problem ma<strong>in</strong>ly happens <strong>in</strong> old age<br />

<strong>and</strong> immuno-compromised patients, or results from spread of <strong>in</strong>fection through otitis media,<br />

sphenoid s<strong>in</strong>usitis, or fossa navicularis magna. The possible cause of clival osteomyelitis <strong>in</strong><br />

this healthy 7-year-old boy might attribute to <strong>in</strong>nate fossa navicularis magna with lymphoid<br />

tissue resid<strong>in</strong>g.<br />

Source: EMBASE<br />

Full Text:<br />

Available <strong>in</strong> fulltext at EBSCOhost<br />

Available <strong>in</strong> fulltext at National Library of Medic<strong>in</strong>e<br />

Available <strong>in</strong> pr<strong>in</strong>t at a non-ULHT hospital library. Click <strong>and</strong> complete an onl<strong>in</strong>e form to<br />

request this article/an article from this journal if fulltext is not available.<br />

2. Intracranial tumors <strong>in</strong> first year of life: The CHEO experience<br />

Author(s): Mehrotra N., Shamji M.F., Vassilyadi M., Ventureyra E.C.G.<br />

Citation: Child's Nervous System, December 2009, vol./is. 25/12(1563-1569), 0256-7040<br />

(December 2009)<br />

Publication Date: December 2009<br />

Abstract: Introduction: One seventh of pediatric bra<strong>in</strong> tumors are diagnosed <strong>in</strong> the first<br />

year of life. With more widespread <strong>and</strong> accessible neuroimag<strong>in</strong>g, these lesions are be<strong>in</strong>g<br />

diagnosed earlier, but there rema<strong>in</strong>s scant literature about their natural history. Methods: A<br />

retrospective review was performed of bra<strong>in</strong> tumor patients present<strong>in</strong>g to the Children"s<br />

Hospital of Eastern Ontario (CHEO) through the last 34 years. Patients present<strong>in</strong>g <strong>in</strong> the<br />

first year of life, <strong>in</strong>clud<strong>in</strong>g symptoms, management features, <strong>and</strong> functional outcome, were<br />

analyzed us<strong>in</strong>g ANOVA <strong>and</strong> chi 2 statistics. Results: Eighteen cases of bra<strong>in</strong> tumors <strong>in</strong> the<br />

first year of life were identified: 12 suptratentorial, eight with benign histology, <strong>and</strong> six<br />

<strong>in</strong>fratentorial all with malignant histology. Median age of presentation differed by lesion<br />

location (p=0.05) <strong>and</strong> glial tumors were most common. Raised <strong>in</strong>tracranial pressure was<br />

more than twice as prevalent with posterior fossa lesions (p


cerebrosp<strong>in</strong>al fluid diversion was more frequently necessary among <strong>in</strong>fratentorial lesions<br />

(p=0.02), <strong>and</strong> adjuvant therapy was more utilized for <strong>in</strong>fratentorial lesions (p


this series (6.6 years) is consistent with a decreas<strong>in</strong>g trend over the past 70 years.<br />

Headaches, ataxia <strong>and</strong> <strong>torticollis</strong> emerge as significant symptoms worthy of further<br />

<strong>in</strong>vestigation whilst abdom<strong>in</strong>al pa<strong>in</strong> <strong>and</strong> constipation might herald the presence of a<br />

posterior fossa tumour on rare occasions.<br />

Source: MEDLINE<br />

Full Text:<br />

Available <strong>in</strong> pr<strong>in</strong>t at a non-ULHT hospital library. Click <strong>and</strong> complete an onl<strong>in</strong>e form to<br />

request this article/an article from this journal if fulltext is not available.<br />

5. Torticollis secondary to posterior fossa tumors.<br />

Author(s): Turgut M<br />

Citation: Journal of Pediatric Orthopedics, May 1998, vol./is. 18/3(415), 0271-6798;0271-<br />

6798 (1998 May-Jun)<br />

Publication Date: May 1998<br />

Source: MEDLINE<br />

Full Text:<br />

Available <strong>in</strong> fulltext at Ovid<br />

6. Cervical dystonia associated with tumors of the posterior fossa.<br />

Author(s): Krauss JK, Seeger W, Jankovic J<br />

Citation: Movement Disorders, May 1997, vol./is. 12/3(443-7), 0885-3185;0885-3185<br />

(1997 May)<br />

Publication Date: May 1997<br />

Abstract: Cervical dystonia was associated with posterior fossa tumors <strong>in</strong> three patients.<br />

The onset of dystonia paralleled the appearance of other focal neurologic signs. All patients<br />

had extraaxial tumors located <strong>in</strong> the cerebellopont<strong>in</strong>e angle that were removed via<br />

suboccipital approaches. The tumors were identified as schwannomas aris<strong>in</strong>g from the<br />

glossopharyngeal nerve <strong>and</strong> from the vagus/accessory nerves; <strong>and</strong> a men<strong>in</strong>gioma.<br />

Postoperatively, the cervical dystonia improved markedly dur<strong>in</strong>g a period of 8 years <strong>in</strong> one<br />

patient, <strong>and</strong> it remitted completely with<strong>in</strong> 1 year <strong>in</strong> another patient. In the third patient,<br />

cervical dystonia persisted. The comb<strong>in</strong>ation of the cl<strong>in</strong>ical f<strong>in</strong>d<strong>in</strong>gs <strong>and</strong> the temporal<br />

relationship of their appearance suggest a causal association between the posterior fossa<br />

tumors <strong>and</strong> cervical dystonia <strong>in</strong> three cases. Possible pathogenic mechanisms are<br />

reviewed.<br />

Source: MEDLINE<br />

7. Torticollis secondary to posterior fossa tumors.<br />

Author(s): Gupta AK, Roy DR, Conlan ES, Crawford AH<br />

Citation: Journal of Pediatric Orthopedics, July 1996, vol./is. 16/4(505-7), 0271-6798;0271-<br />

6798 (1996 Jul-Aug)<br />

Publication Date: July 1996<br />

Abstract: Torticollis <strong>in</strong> childhood may be a sign of many disorders. Five cases, with<br />

<strong>torticollis</strong> as the <strong>in</strong>itial sign of a posterior fossa tumor, are presented. The diagnosis <strong>and</strong><br />

treatment of the tumor was considerably delayed <strong>in</strong> all patients because posterior fossa<br />

tumor was not considered <strong>in</strong> the <strong>in</strong>itial differential diagnosis. In two patients, operative<br />

procedures on the sternocleidomastoid muscle were performed before discover<strong>in</strong>g the<br />

underly<strong>in</strong>g causative tumors. Four of the five patients also had other associated symptoms<br />

such as headache, nausea, <strong>and</strong> vomit<strong>in</strong>g. It is stressed that <strong>in</strong> acquired <strong>torticollis</strong>, posterior<br />

fossa tumor be considered <strong>in</strong> the differential diagnosis.<br />

Source: MEDLINE<br />

Full Text:<br />

4


Available <strong>in</strong> fulltext at Ovid<br />

8. Photophobia, epiphora, <strong>and</strong> <strong>torticollis</strong>: a masquerade syndrome.<br />

Author(s): Marmor MA, Beauchamp GR, Maddox SF<br />

Citation: Journal of Pediatric Ophthalmology & Strabismus, July 1990, vol./is. 27/4(202-4),<br />

0191-3913;0191-3913 (1990 Jul-Aug)<br />

Publication Date: July 1990<br />

Abstract: Three young <strong>children</strong> presented with photophobia, epiphora, <strong>and</strong> <strong>torticollis</strong> as the<br />

<strong>in</strong>itial manifestation of a posterior fossa tumor. In each case there was a delay <strong>in</strong> treatment<br />

due to the presumptive diagnosis of a local ocular <strong>in</strong>flammatory condition. We recommend<br />

that <strong>children</strong> with unexpla<strong>in</strong>ed photophobia, epiphora, <strong>and</strong> <strong>torticollis</strong> undergo an imag<strong>in</strong>g<br />

technique to evaluate the posterior fossa.<br />

Source: MEDLINE<br />

Full Text:<br />

Available <strong>in</strong> pr<strong>in</strong>t at a non-ULHT hospital library. Click <strong>and</strong> complete an onl<strong>in</strong>e form to<br />

request this article/an article from this journal if fulltext is not available.<br />

9. Metastasiz<strong>in</strong>g <strong>chordoma</strong> <strong>in</strong> early childhood: a pathological <strong>and</strong><br />

immunohistochemical study with review of the literature.<br />

Author(s): Sibley RK, Day DL, Dehner LP, Trueworthy RC<br />

Citation: Pediatric Pathology, 1987, vol./is. 7/3(287-301), 0277-0938;0277-0938 (1987)<br />

Publication Date: 1987<br />

Abstract: A 2 1/2-year-old female with a sphenooccipital-vertebral <strong>chordoma</strong> presented<br />

with neck pa<strong>in</strong>, <strong>torticollis</strong>, fever, a lytic lesion of C2 vertebra, <strong>and</strong> bilateral nodular <strong>in</strong>filtrates<br />

<strong>in</strong> the lung. The lung biopsy revealed multiple tumor emboli by an enigmatic epithelioidappear<strong>in</strong>g<br />

neoplasm with immunohistochemical sta<strong>in</strong><strong>in</strong>g for viment<strong>in</strong>, cytokerat<strong>in</strong>, <strong>and</strong><br />

epithelial membrane antigen. A thorough roentgenographic evaluation disclosed a<br />

destructive, prepont<strong>in</strong>e mass <strong>in</strong> the region of the clivus, erosion of the odontoid process,<br />

<strong>and</strong> compression of the cervical sp<strong>in</strong>al cord. The patient died after a cl<strong>in</strong>ical course of 3<br />

months. We identified 16 additional cases of metastasiz<strong>in</strong>g <strong>chordoma</strong>s <strong>in</strong> the pediatric-age<br />

population; this case is the first to our knowledge with pathologically documented<br />

pulmonary metastasis at presentation.<br />

Source: MEDLINE<br />

Full Text:<br />

Available <strong>in</strong> pr<strong>in</strong>t at a non-ULHT hospital library. Click <strong>and</strong> complete an onl<strong>in</strong>e form to<br />

request this article/an article from this journal if fulltext is not available.<br />

10. Benign paroxysmal vertigo <strong>in</strong> childhood.<br />

Author(s): Eeg-Olofsson O, Odkvist L, L<strong>in</strong>dskog U, Andersson B<br />

Citation: Acta Oto-Laryngologica, March 1982, vol./is. 93/3-4(283-9), 0001-6489;0001-<br />

6489 (1982 Mar-Apr)<br />

Publication Date: March 1982<br />

Abstract: Fifteen <strong>children</strong> with a syndrome called benign paroxysmal vertigo are<br />

presented. This syndrome is characterized by attacks of vertigo of sudden onset last<strong>in</strong>g a<br />

few m<strong>in</strong>utes <strong>and</strong> <strong>in</strong> extreme cases several hours or even up to 2 days. Additional<br />

symptoms are pallor, sweat<strong>in</strong>g, vomit<strong>in</strong>g <strong>and</strong> nystagmus. Consciousness is not impaired.<br />

The attacks usually occur <strong>in</strong> the first 4 years of life. They are recurrent, the appearance<br />

vary<strong>in</strong>g from several times a week to once a year, <strong>and</strong> they may cease spontaneously after<br />

only months but usually years. The most important differential diagnoses are epilepsy <strong>and</strong><br />

posterior fossa tumour. The etiology is unknown, but there may be a vascular disturbance<br />

affect<strong>in</strong>g the posterior cerebral circulation with secondary disturbances of the vestibular<br />

nuclei.<br />

5


Source: MEDLINE<br />

Full Text:<br />

Available <strong>in</strong> pr<strong>in</strong>t at a non-ULHT hospital library. Click <strong>and</strong> complete an onl<strong>in</strong>e form to<br />

request this article/an article from this journal if fulltext is not available.<br />

11. Malignant <strong>in</strong>tracranial <strong>chordoma</strong> <strong>and</strong> sarcoma of the clivus <strong>in</strong> <strong>in</strong>fancy.<br />

Author(s): Nolte K<br />

Citation: Pediatric Radiology, February 1979, vol./is. 8/1(1-6), 0301-0449;0301-0449 (1979<br />

Feb 26)<br />

Publication Date: February 1979<br />

Abstract: Neuroradiological <strong>and</strong> cl<strong>in</strong>ical f<strong>in</strong>d<strong>in</strong>gs suggest<strong>in</strong>g <strong>chordoma</strong> of the clivus are<br />

described <strong>in</strong> three <strong>children</strong>. They presented with <strong>torticollis</strong> as the primary <strong>and</strong> predom<strong>in</strong>ant<br />

symptom. Progressive deterioration with development of slurred speech, signs of<br />

<strong>in</strong>tracranial pressure <strong>and</strong> further cranial nerve <strong>in</strong>volvement led to more extensive<br />

neuroradiological <strong>in</strong>vestigation. The cl<strong>in</strong>ical <strong>and</strong> neuroradiological f<strong>in</strong>d<strong>in</strong>gs <strong>in</strong> these three<br />

<strong>children</strong> were similar; the prognosis was unfavourable for two of the <strong>children</strong>. The<br />

histological diagnosis <strong>in</strong> two cases was malignant <strong>chordoma</strong>; <strong>in</strong> the third case it was<br />

undifferentiated sarcoma of the clivus.<br />

Source: MEDLINE<br />

Full Text:<br />

Available <strong>in</strong> pr<strong>in</strong>t at a non-ULHT hospital library. Click <strong>and</strong> complete an onl<strong>in</strong>e form to<br />

request this article/an article from this journal if fulltext is not available.<br />

Google Scholar<br />

From 1 st 50 results…<br />

12. The role of <strong>chemotherapy</strong> <strong>in</strong> pediatric clival <strong>chordoma</strong>s<br />

G Dhall, M Traverso, JL F<strong>in</strong>lay, L Shane… - Journal of neuro- …, 2011 - Spr<strong>in</strong>ger<br />

... <strong>and</strong> outcome of six cases of clival <strong>chordoma</strong> <strong>in</strong> <strong>children</strong> Pt no. Age at Dx Sex<br />

Cl<strong>in</strong>ical features Surgery Pathology Initial treatment Response Time to relapse<br />

(months) Treatment at relapse Complications Survival 1 2 years F Ataxia, <strong>torticollis</strong><br />

<strong>and</strong> head tilt Subtotal resection ...<br />

Cited by 3 - Related articles - Lancashire Teach<strong>in</strong>g Hospitals - F<strong>in</strong>d@The Christie - All<br />

4 versions<br />

13. Craniovertebral junction neoplasms <strong>in</strong> the pediatric population<br />

AH Menezes - Child's Nervous System, 2008 - Spr<strong>in</strong>ger<br />

... Tumors aris<strong>in</strong>g <strong>in</strong> this location are summarized <strong>in</strong> Table 1. In those <strong>children</strong> with<br />

<strong>torticollis</strong> <strong>and</strong> radiographic evidence of rotary subluxation or atlantoaxial dislocation,<br />

the need for stabilization <strong>and</strong> fusion is made at the ... Chordoma ... Six of these were<br />

<strong>chordoma</strong>s affect<strong>in</strong>g the clivus. ...<br />

Cited by 19 - Related articles - F<strong>in</strong>d@The Christie - All 2 versions<br />

14. Basilar <strong>in</strong>vag<strong>in</strong>ation, Chiari malformation, syr<strong>in</strong>gomyelia: A review<br />

A Goel - Neurology India, 2009 - Medknow<br />

... [10] Short neck, low hairl<strong>in</strong>e, web-shaped neck muscles, <strong>torticollis</strong>, reduction <strong>in</strong> the<br />

range of neck<br />

movements, <strong>and</strong> several such physical variations have been ... The angle of the clivus<br />

<strong>and</strong> the<br />

posterior cranial fossa volume were essentially unaffected <strong>in</strong> these patiens. ...<br />

Cited by 3 - Related articles - Lancashire Teach<strong>in</strong>g Hospitals - All 6 versions<br />

15. Primary bone tumors of the sp<strong>in</strong>e <strong>in</strong> <strong>children</strong><br />

AJ Fenoy, JDW Greenlee, AH Menezes… - Journal of …, 2006 - thejns.org<br />

... Three patients exhibited <strong>torticollis</strong>. A summary of presentations is provided <strong>in</strong>Table<br />

1. ... Neurosurgery 17:317–319, 1985. 26. H<strong>and</strong>a J, Suzuki F, Nioka H, Koyama T:<br />

6


<strong>Clivus</strong> <strong>chordoma</strong> <strong>in</strong> childhood. Surg Neurol 28:58–62, 1987. 27. ...<br />

Cited by 20 - Related articles - BL Direct - All 3 versions<br />

16. Differential Diagnosis of Clival Tumors<br />

VC TRAYNELIS… - … of the skull base <strong>and</strong> sp<strong>in</strong>e, 2003 - books.google.com<br />

... be held <strong>in</strong> a stiff <strong>and</strong> fixed position, sometimes resembl<strong>in</strong>g <strong>torticollis</strong>. ... 26<br />

Demographics, Presentation, <strong>and</strong> Diagnosis TABLE 4-1. Clival Pathology Congenital<br />

... disease Osteogenesis imperfecta Eos<strong>in</strong>ophilic granuloma Fibrous dysplasia<br />

Chordoma Chondroma Chondrosarcoma ...<br />

Related articles<br />

17. Common Presentation of Clival Tumors<br />

VC TRAYNELIS… - … of the skull base <strong>and</strong> sp<strong>in</strong>e, 2003 - books.google.com<br />

... The head may be held <strong>in</strong> a stiff <strong>and</strong> fixed position, sometimes resembl<strong>in</strong>g <strong>torticollis</strong>.<br />

... Although these tumors usually are associated with a history of slowly progressive<br />

symptoms, Simonsen reported a patient with a clivus <strong>chordoma</strong> that presented<br />

acutely with a fatal subarachnoid ...<br />

Related articles<br />

18. Men<strong>in</strong>gioma at the Craniocervical Junction<br />

L Ibañez-Valdés, J Moré-Rodriguez… - The Internet Journal of …, 2010 - ispub.com ...<br />

acquired abnormalities are: <strong>in</strong>jury or disease that may <strong>in</strong>volve occipital bone (foramen<br />

magnum/clivus), the first ... disease of the cervical sp<strong>in</strong>e, slowly grow<strong>in</strong>g CCJ tumours<br />

(neurofibroma, shwannomas, men<strong>in</strong>gioma, <strong>and</strong> <strong>chordoma</strong>) that can ... Torticollis was<br />

seen <strong>in</strong> the very young. ...<br />

Related articles - Cached - All 2 versions<br />

19. Surgical treatment of clival <strong>chordoma</strong>s: the transsphenoidal approach revisited<br />

G Maira, R Pall<strong>in</strong>i, C Anile, E Fern<strong>and</strong>ez… - Journal of …, 1996 - thejns.org<br />

... CT) scan show<strong>in</strong>g the relationship of a lower clival <strong>chordoma</strong> with the right occipital<br />

condyle. B: Postoperative nonenhanced axial CT scan show<strong>in</strong>g the right dorsal<br />

condylectomy for the extreme-lateral transcondylar approach. This patient suffered<br />

from spasmodic <strong>torticollis</strong>. ...<br />

Cited by 64 - Related articles - BL Direct - All 5 versions<br />

7


Search strategy<br />

No. Database Search term Hits<br />

1 MEDLINE (clivus adj2 <strong>chordoma</strong>*).ti,ab 68<br />

2 MEDLINE CHORDOMA/ AND CRANIAL FOSSA, POSTERIOR/ 180<br />

3 MEDLINE clivus.ti,ab 1209<br />

4 MEDLINE CRANIAL FOSSA, POSTERIOR/ 3701<br />

5 MEDLINE 3 OR 4 4528<br />

6 MEDLINE cancer*.ti,ab 895034<br />

7 MEDLINE NEOPLASMS/ 240680<br />

8 MEDLINE neoplasm*.ti,ab 87962<br />

9 MEDLINE (tumor* OR tumour*).ti,ab 1008113<br />

10 MEDLINE <strong>chordoma</strong>*.ti,ab 2413<br />

11 MEDLINE CHORDOMA/ 2395<br />

12 MEDLINE 6 OR 7 OR 8 OR 9 OR 10 OR 11 1695273<br />

13 MEDLINE 5 AND 12 1669<br />

14 MEDLINE <strong>torticollis</strong>.ti,ab 2371<br />

15 MEDLINE TORTICOLLIS/ 2797<br />

16 MEDLINE "cervical dystonia".ti,ab 812<br />

17 MEDLINE wryneck.ti,ab 24<br />

18 MEDLINE chordocarc<strong>in</strong>oma*.ti,ab 1<br />

19 MEDLINE noto<strong>chordoma</strong>*.ti,ab 0<br />

20 MEDLINE chordoepithelioma*.ti,ab 0<br />

21 MEDLINE (torsion adj2 neck).ti,ab 51<br />

22 MEDLINE 14 OR 15 OR 16 OR 17 OR 21 3908<br />

23 MEDLINE 13 AND 22 10<br />

24 MEDLINE 1 OR 2 221<br />

25 MEDLINE 22 AND 24 0<br />

26 MEDLINE "sphenoid bone".ti,ab 514<br />

27 MEDLINE SPHENOID BONE/ 3047<br />

28 MEDLINE "basilar occipital bone".ti,ab 0<br />

29 MEDLINE "occipital bone".ti,ab 668<br />

30 MEDLINE OCCIPITAL BONE/ 2612<br />

8


No. Database Search term Hits<br />

31 MEDLINE spheno-occipital.ti,ab 134<br />

32 MEDLINE sphenooccipital.ti,ab 34<br />

33 MEDLINE 26 OR 27 3280<br />

34 MEDLINE 29 OR 30 2955<br />

35 MEDLINE 33 AND 34 230<br />

36 MEDLINE 31 OR 32 OR 35 333<br />

37 MEDLINE 12 AND 36 90<br />

38 MEDLINE 22 AND 37 2<br />

39 EMBASE (clivus adj2 <strong>chordoma</strong>*).ti,ab 79<br />

40 EMBASE CHORDOMA/ AND CRANIAL FOSSA, POSTERIOR/ 66<br />

41 EMBASE clivus.ti,ab 1367<br />

42 EMBASE CRANIAL FOSSA, POSTERIOR/ 4771<br />

43 EMBASE 41 OR 42 5985<br />

44 EMBASE cancer*.ti,ab 1074749<br />

45 EMBASE NEOPLASMS/ 173371<br />

46 EMBASE neoplasm*.ti,ab 97265<br />

47 EMBASE (tumor* OR tumour*).ti,ab 1140585<br />

48 EMBASE <strong>chordoma</strong>*.ti,ab 2677<br />

49 EMBASE CHORDOMA/ 3103<br />

50 EMBASE 44 OR 45 OR 46 OR 47 OR 48 OR 49 1922572<br />

51 EMBASE 43 AND 50 1930<br />

52 EMBASE <strong>torticollis</strong>.ti,ab 2710<br />

53 EMBASE TORTICOLLIS/ 3164<br />

54 EMBASE "cervical dystonia".ti,ab 1154<br />

55 EMBASE wryneck.ti,ab 27<br />

56 EMBASE chordocarc<strong>in</strong>oma*.ti,ab 1<br />

57 EMBASE noto<strong>chordoma</strong>*.ti,ab 0<br />

58 EMBASE chordoepithelioma*.ti,ab 0<br />

59 EMBASE (torsion adj2 neck).ti,ab 64<br />

60 EMBASE 52 OR 53 OR 54 OR 55 OR 59 4940<br />

61 EMBASE 51 AND 60 6<br />

62 EMBASE 39 OR 40 136<br />

9


No. Database Search term Hits<br />

63 EMBASE 60 AND 62 0<br />

64 EMBASE "sphenoid bone".ti,ab 556<br />

65 EMBASE SPHENOID BONE/ 2558<br />

66 EMBASE "basilar occipital bone".ti,ab 0<br />

67 EMBASE "occipital bone".ti,ab 716<br />

68 EMBASE OCCIPITAL BONE/ 2215<br />

69 EMBASE spheno-occipital.ti,ab 120<br />

70 EMBASE sphenooccipital.ti,ab 38<br />

71 EMBASE 64 OR 65 2772<br />

72 EMBASE 67 OR 68 2495<br />

73 EMBASE 71 AND 72 177<br />

74 EMBASE 69 OR 70 OR 73 290<br />

75 EMBASE 50 AND 74 77<br />

76 EMBASE 60 AND 75 1<br />

77 EMBASE 39 OR 40 OR 51 1930<br />

78 EMBASE 60 AND 77 6<br />

79 EMBASE 39 OR 40 OR 51 OR 75 1988<br />

80 EMBASE child*.ti,ab 988171<br />

81 EMBASE exp CHILD/ 1526385<br />

82 EMBASE adolescent*.ti,ab 152789<br />

83 EMBASE exp ADOLESCENT/ 1137780<br />

84 EMBASE juvenile*.ti,ab 55757<br />

85 EMBASE teenager*.ti,ab 10669<br />

86 EMBASE youth*.ti,ab 35617<br />

87 EMBASE "young person*".ti,ab 2701<br />

88 EMBASE paediatric*.ti,ab 47025<br />

89 EMBASE exp PEDIATRICS/ 62743<br />

90 EMBASE pediatric*.ti,ab 193955<br />

91 EMBASE<br />

80 OR 81 OR 82 OR 83 OR 84 OR 85 OR 86 OR 87 OR 88<br />

OR 89 OR 90<br />

2484811<br />

92 EMBASE 79 AND 91 793<br />

93 EMBASE chemotherap*.ti,ab 288989<br />

94 EMBASE exp CHEMOTHERAPY/ 279430<br />

10


No. Database Search term Hits<br />

95 EMBASE 93 OR 94 431550<br />

96 EMBASE 92 AND 95 173<br />

97 EMBASE 60 AND 96 0<br />

98 EMBASE torticol*.ti,ab 2764<br />

99 EMBASE 60 OR 98 4960<br />

100 EMBASE 79 AND 99 6<br />

101 MEDLINE chemotherap*.ti,ab 232438<br />

102 MEDLINE exp DRUG THERAPY/ 963089<br />

103 MEDLINE 101 OR 102 1107149<br />

104 MEDLINE 1 OR 2 OR 13 OR 37 1733<br />

105 MEDLINE 103 AND 104 103<br />

106 MEDLINE torticol*.ti,ab 2409<br />

107 MEDLINE 22 OR 106 3932<br />

108 MEDLINE 105 AND 107 0<br />

109 MEDLINE exp NEOPLASMS/ 2295723<br />

110 MEDLINE 6 OR 8 OR 9 OR 10 OR 11 OR 109 2644233<br />

111 MEDLINE 5 OR 36 4813<br />

112 MEDLINE 110 AND 111 2765<br />

113 MEDLINE 107 AND 112 10<br />

114 EMBASE exp NEOPLASM/ 2737958<br />

115 EMBASE 50 OR 114 3070243<br />

116 EMBASE 43 AND 115 2959<br />

117 EMBASE 62 OR 77 OR 116 2959<br />

118 EMBASE 99 AND 117 7<br />

11

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