Nevoid malignant melanoma in an albino woman
نویسندگان
چکیده
منابع مشابه
Nevoid malignant melanoma
The term “nevoid malignant melanoma” (nevoid MM) is used here to describe rare nodular malignant melanomas that may escape detection in routine histological sections due to the lack of a prominent intraepidermal component, sharp lateral circumscription and evidence of partial maturation with descent in the dermis (1). Nevoid MM mimic ordinary compound or intradermal melanocytic nevi when the me...
متن کاملChoroidal malignant melanoma in an albino.
This is the first report of an amelanotic melanoma arising in the unpigmented choroid of a tyrosinase-positive oculocutaneous albino (TPOCA). Melanosomes within the tumour showed a maturation arrest in the unpigmented type II (premelanosome) phase. Other neural crest derived melanocytes in iris and choroid showed similar limited melanogenesis. The neuroectodermally derived melanocytes of the ir...
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Nevoid melanoma is a rare form of melanoma histologically resembling benign melanocytic nevi and may be overlooked in routine histological sections. Authors are presenting a case of a 31-year-old woman who presented with bizarre pigmented skin lesions in the area of the postoperative scar on the back where, 6 years earlier, a "nevus pigmentosus epidermo-dermalis" was excised and hystologically ...
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Background: Melanoma is a neoplasm derived commonly from melanocytic cells of skin. Although coetaneous presentation of malignant melanoma is easily recognizable, the presentation of melanoma in other organs is so confusing. In particular, when it metastasizes to other organs, many bizarre figures and unusual organs may be involved. In this report, we present a case of primary duodenal malignan...
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Background: Malignant melanoma is the leading cause of death among skin cancers in western countries. However, the incidence, histologic subtypes, and tumor behaviors are quite different in Asians and western populations. Objective: This study was designed to survey the clinicopathological aspects of malignant melanoma among Khouzestan people. Patients and Methods: In a retrospective stud...
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ژورنال
عنوان ژورنال: Case Reports
سال: 2010
ISSN: 1757-790X
DOI: 10.1136/bcr.08.2010.3262