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October - LRS Institute of Tuberculosis & Respiratory Diseases

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184 B.K. KHANNA AND K.S. KHARE<br />

Discussion<br />

Hyponychial angle, as an objective<br />

criterion <strong>of</strong> clubbing, was chosen by us<br />

because it has been found to be<br />

independent <strong>of</strong> age, sex, height and weight<br />

<strong>of</strong> the patient. It incorporates measurement<br />

<strong>of</strong> two different parameters e.g. pr<strong>of</strong>ile<br />

angle and curvature <strong>of</strong> the nail (Sly et al<br />

1973 and Macfarlane, Ibrahim & Tor-<br />

Agbidye 1979). Left index finger was<br />

chosen by us because its nail is less<br />

likely to chaff or crack in our righthanded<br />

subject. In a study <strong>of</strong> left index<br />

finger casts from 30 normals, upper limit <strong>of</strong><br />

the Hyponychial angle is 185° which is<br />

similar to that recorded by Regan, Tagg &<br />

Thomson (1967) (187°) and Bentley, Moore<br />

and Shwachman (1976) (180.1°±4.2°).<br />

Weirman, Clagget and McDonald<br />

(1964) were probably the first to report<br />

reversal <strong>of</strong> clubbing on subjective<br />

evidence in a case <strong>of</strong> tuberculous<br />

emphysema following its management<br />

with pneumonectomy and subsequent<br />

thoracoplasty on the affected side. Similarly,<br />

reversal <strong>of</strong> clubbing on subjective evidences<br />

following surgical management <strong>of</strong><br />

bronchogenic carcinoma (Pneumonectomy)<br />

was reported by Stenscth, Clagget, and<br />

Woolner (1967). To the best <strong>of</strong> our<br />

knowledge, our case is the first to be<br />

reported where subjective reversal <strong>of</strong><br />

clubbing in pulmonary tuberculosis<br />

following satisfactory medical treament<br />

only was confirmed objectively also.<br />

REFERENCES<br />

Bentley, D., Moore, A. and Shwachman, H. :<br />

Finger Clubbing : A quantitative survey by<br />

analysis <strong>of</strong> the shadow—graph; Lancet; 1976,<br />

2, 164.<br />

Macfarlane, J.T., Ibrahim, M. and Tor-Agbidye,<br />

S. : The importance <strong>of</strong> finger clubbing in<br />

pulmonary tuberculosis : Tubercle; 1979, 60,<br />

45.<br />

Mellins, R.B., and Fishman, A.P.: Digital casts<br />

for the study <strong>of</strong> clubbing <strong>of</strong> fingers : Circulation<br />

: 1966, 33, 143.<br />

Pyke, D.A. : Finger clubbing : Validity as a<br />

physical sign : Lancet; 1954, 2, 352.<br />

Regan, G.M., Tagg, B. and Thomson, M.L. :<br />

Subjective assessment and objective<br />

measurement <strong>of</strong> finger clubbing : Lancet; 1967,<br />

1, 530.<br />

Sly, R.M., Ghazanshahi, S., Burankul, B., Puapan,<br />

P., Gupta, S., Warren, R. and Waring, W. :<br />

Objective assessment <strong>of</strong> digital clubbing in<br />

Caucasian, Negro and Oriental subjects; Chest;<br />

1973, 64, 687.<br />

Stenseth, J.H., Clagget, L.T., and Woolner, L.B. :<br />

Hypertrophic pulmonary osteoarthropathy ;<br />

<strong>Diseases</strong> <strong>of</strong> Chest; 1967,52, 62.<br />

Weirman, W.H., Clagget, O.T. and McDonald, J.R.,<br />

Articular manifestations in pulmonary diseases :<br />

Journal <strong>of</strong> American Medical Association;<br />

1954, 155, 1459.

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