. The British journal of dermatology . ous small blood-vessels to be seen in themon close inspection, but this gives them, when viewed from a littledistance, their diffuse purple tinge. They are arranged transverselyto the long axis of the body, as such strife always are, when theyoccur on the thoracic or lumbar region of the back. In the presentcase they occupy, as already stated, the postero-lateral infrascapular * Case shown at the Dennatologioal Section of the Royal Society of Medicineon July 19th. 1917. 248 UNILATRRAl, OF THE THORAX. area of the left ribs, that is to sa
. The British journal of dermatology . ous small blood-vessels to be seen in themon close inspection, but this gives them, when viewed from a littledistance, their diffuse purple tinge. They are arranged transverselyto the long axis of the body, as such strife always are, when theyoccur on the thoracic or lumbar region of the back. In the presentcase they occupy, as already stated, the postero-lateral infrascapular * Case shown at the Dennatologioal Section of the Royal Society of Medicineon July 19th. 1917. 248 UNILATRRAl, OF THE THORAX. area of the left ribs, that is to say, the area, below the level of theloAver angle of the scapula. Owing to the invariable position of thepatient, Ising as he does half-turned towards his left side in bed,with his shoulders propped up on pillows, the convexity of this leftpostero-lateral region of the thorax is abnoruially increased, andconsequently the skin over it is kept distended. This explains whythe cleavage lines [striie ah-ophicx or striai cutis distensa.) have. appeared in that situation, as i shall endeavour to make clear (see figure). Strix atroyliicx. or strhv cntis disfoisii are the result of rupture, or rather cleavage, of the deeper layers of the cutis, and when this cleavage is not caused by distension of the skin from pregnancy, ascites, large tumours, arthritic swellings, subcutaneous cedenia, or excessively rapid growth of subcutaneous fat, it is nevertheless almost always due to distension or stretching in some wa} or other,^ though the meclutnism may appear obscure. It is this relatively ??? For this reason, I think, the term Uuear atvoplnj of tha shin, sometimesapplied to these cases, is a ] (me. It suggests au letiological analogy with thecondition known as mocuho- atrophy of the skin (maciilii atrophicn)—a totallydifferent conditiou. SlKLI] ATliOPH IC/1: OF IlIK TllOKAX. 249 obscure group (to wliicli tlie present case belongs) tliat I shall nowshortly consider. It may
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectsyphilis, bookyear188
