Multivesicular vacuolization in malignant histiocytoma of the skin
- 1 January 1978
- journal article
- research article
- Published by Springer Nature in Archives of Dermatological Research
- Vol. 261 (2) , 163-173
- https://doi.org/10.1007/bf00447161
Abstract
Bei einem 47 jährigen Patienten entwickelten sich am rechten Bein mehrere rasch wachsende Tumoren von distal nach proximal. Histologisch und elektronenmikroskopisch zeigten die Tumorzellen morphologische Besonderheiten, die für ihre histiocytäre Provenienz sprechen. Auffallend war die große Anzahl polymorpher cytoplasmatischer Membranstrukturen und großer Vacuolen, die massenhaft kleine Vesikel enthielten. Diese Strukturen werden als transformierte multivesiculäre Körper gedeutet; ihre Entstehung vollzieht sich im Rahmen einer bizarr übersteigerten Membranaktivierung einer malignen Zellrasse. Bemerkenswert ist die rasche und völlige Remission durch Radiotherapie. A 47-year-old patient developed several rapidly growing tumours in his right leg. Histologic and electron microscopic examination revealed morphological characteristics suggesting the histiocytic origin of the tumour cells. An important finding was the striking number of pleomorphic membraneous inclusions and large vacuoles containing numerous small vesicles. These cytoplasmic inclusions are interpreted as transformed multivesicular bodies. Their formation may be an expression of an increased and bizarre membraneous activity of a malignant cell race. Radiotherapy resulted in a remarkably rapid and complete remission.This publication has 31 references indexed in Scilit:
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