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October - LRS Institute of Tuberculosis & Respiratory Diseases

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GASTRIC TUBERCULOSIS ERODING SPLENIC ARTERY-AN UNUSUAL CASE OF HAEMETEMESIS 249<br />

vessels showed intimal fibrosis and tuberculous<br />

arteritis. Random sections from rest <strong>of</strong> the<br />

stomach revealed normal histology. Tubercle<br />

bacilli were demonstrated in histological sections<br />

with Ziehl Neelsen stain.<br />

Splenic Artery—identified on the superior<br />

border <strong>of</strong> pancreas was found lost in the space<br />

near splenic hi him (Fig. 1T1). Multiple histological<br />

sections through this space revealed an<br />

elastic structure (Splenic artery) infiltrated by<br />

exubcrent tuberculous inflammatory exudate.<br />

Fig. II-Gross photograph showing stomach (S) pulled<br />

apart and probe, passed through an ulcer,<br />

communicating with a space.<br />

Spleen—showed tuberculous granulomasand<br />

a large healed infarct (Fig. I), resulting from<br />

erosion and occlusion <strong>of</strong> splenic artery by a<br />

large thrombus.<br />

Liver—although grossly normal, showed<br />

granulomas both in lobults and portal tracts.<br />

Right lung—had an apical scar which on histology<br />

revealed marked fibrosis and occasional<br />

ill-formed granulomas. Hilar and tracheobronchia!<br />

lymph nodes showed calcification and<br />

occasional granuloma.<br />

Rest <strong>of</strong> the organs including intestines were<br />

found to be normal both grossly and microscopically.<br />

Fig. III-Gross photograph showing caseous lymph<br />

nodes (L), and splenic artery over superior border<br />

<strong>of</strong> pancreas (P) lost in the space near splenic<br />

hil urn.<br />

Fig. IV-Photomicrograph showing a granuloma<br />

gastric submucosa (H&E x 110).<br />

in<br />

Discussion<br />

Isolated case reports <strong>of</strong> primary gastric<br />

tuberculosis are available in the literature<br />

(Stirk 1968, Page et al 1975, Wani & Rashid<br />

1977, P. Sengupta 1978, Kakar et al 1979).<br />

It is almost always secondary to tuberculosis<br />

elsewhere in the body—pulmonary tuberculosis<br />

being held responsible in 50% <strong>of</strong> the cases<br />

(Henery Bockus, 1974). Our patient has had<br />

tuberculosis <strong>of</strong> right lung, with involvement <strong>of</strong><br />

hilar and tracheobronchial lymph nodes. The<br />

route by which the disease spread from the<br />

lungs to the stomach, pancreas, liver, spleen<br />

is, however, not absolutely clear. Three routes<br />

are possible: haematogenous; direct extension<br />

from neighbouring organs particularly caseating<br />

lymph nodes, and retrograde spread along lymphatics<br />

(Palmer 1950). It is likely that in our<br />

case the disease process spread haematogenously<br />

from lungs to stomach, spleen, pancreas and<br />

liver with subsequent involvement <strong>of</strong> draining<br />

lymph nodes (panereatosplenic). However, it is<br />

also possible that the disease spread through<br />

lymphatics from hilar and tracheobronchial<br />

lymphnodes to pancreatosplenic lymph nodes<br />

with subsequent afflication <strong>of</strong> stomach, spleen<br />

and pancreas. This however, fails to explain<br />

tuberculous lesion in the liver.<br />

Ind, J. Tub., Vol. XXIX, No. 4

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