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5.
J Eur Acad Dermatol Venereol ; 16(5): 441-6, 2002 Sep.
Article in English | MEDLINE | ID: mdl-12428834

ABSTRACT

AIM: To review the dinical and histological data of 20 cases of dermatofibrosarcoma protuberans presenting at two dermatology centres in Lisbon from 1978 to 1998. PATIENTS AND METHODS: The 20 subjects comprised nine males and 11 females ranging in age from 25 to 79 years, with highest frequency of subjects in the 30-50 year olds. We reviewed the clinical features, histopathological aspects, including morphologic variants and immunohistochemical studies. RESULTS: Median age at diagnosis was 51 years and the trunk was the most frequent location. The characteristic histologic storiform pattern was seen in all cases. Three subjects presented fibrosarcomatous areas, one with myoid differentiation and another with multinucleated giant cells. Immunohistochemical stains revealed CD34 expression in the 18 specimens tested, FXIIIa was negative, and these two antigens proved important for the differential diagnosis of this neoplasm. Local wide excision was performed in 13 cases and seven patients underwent Moh's micrographic surgery. Follow-up ranged from 2 months to 17 years and three recurrences were recorded, two following classical surgery and one after Moh's surgery; there was no difference in the rate of local recurrence (15%) for the two kinds of treatment in our series.


Subject(s)
Dermatofibrosarcoma/pathology , Skin Neoplasms/pathology , Adult , Aged , Dermatofibrosarcoma/classification , Dermatofibrosarcoma/surgery , Female , Humans , Male , Middle Aged , Skin Neoplasms/classification , Skin Neoplasms/surgery , Treatment Outcome
6.
7.
J Dermatol Surg Oncol ; 12(2): 134-8, 1986 Feb.
Article in English | MEDLINE | ID: mdl-2418084

ABSTRACT

Careful mapping and staining are important steps in securing high quality specimen slides for microscopic examination. We hope that our experiences will be of help to those individuals performing Mohs microscopically controlled surgery.


Subject(s)
Carcinoma, Basal Cell/surgery , Frozen Sections , Microtomy , Skin Neoplasms/surgery , Cryosurgery , Humans , Staining and Labeling
9.
Actas Dermosifiliogr ; 72(1-2): 17-20, 1981.
Article in Portuguese | MEDLINE | ID: mdl-7257893
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