File:The British journal of dermatology (1888) (14763182654).jpg

Identifier: britishjournalof26brit (find matches)
Title: The British journal of dermatology
Year: 1888 (1880s)
Authors: British Association of Dermatology
Subjects: Dermatology Syphilis
Publisher: London H.K. Lewis (etc.)
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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ons just described. Xotumours could be seen elsewhere, the scalp in particular being abso-lutely free. There was no history of other members of the familybeing affected. The tumour from the forehead was excised for histo-logical examination and sections made from it will be described below.The other two lesions were treated with freezing by carbon dioxidesnow. Three applications each of thirty to forty seconds resulted ina complete levelling of the intact growth and a removal of any EPITHELIOMA AND TRICHO-EPITHELIOMA. 175 suspicious liavdness of the base, so that further treatment seemedunnecessary; the ulcerated area has also ceased to show presence ofrodent tissue and the patient is simply being* kept under observation,no local application beyond boric ointment being- used. The rapiditywith which the hard intact tumour disappeared under the treatmentby freezing was very remarkable, and, indeed, unexpected by me, forI had intended having the man photographed to illustrate this paper,
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Fig. 1, Case 1.—High magnification. At tlie edge of the tumour-foi-mation apilo-sebaceous follicle is sliown with an early epithelial proliferation (a)at its base. b. A large mass of epithelial cells with a great centralcavity, in which some debris is seen, but it is otherwise empty. It isclosely invested by thickened fibrous tissue. c. An epithelial masswithout central cavitation, lying partially loose in its envelope of fibroustissue. D. An epithelial tract with some resemblance to the duct of asweat-gland. The presence of these tracts and their erroneous identifi-cation with sweat-ducts led to the name syringo-cystadenoma adoptedby Torok and Unna. As Brooke pointed out in refutation of this identi-fication, the tracts never show lumen. but Avhen he presented himself for the purpose the condition hadchanged too materially to make this worth while. Histological examination of section of tumour from forehead.—Theepidermis is thinned to a single line and its appendages are entirely

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