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Nodular malignant melanoma. Or maybe not?

Florid cutaneous papillomatosis and acanthosis nigricans maligna revealing gast...

This paper reports the case of a 57-year-old, previously healthy male with no systemic symptoms who over a short period of time developed multiple wart-like lesions on his trunk, limbs and face, typical lesions of acanthosis nigricans in the major body folds and tripe palms. Diagnostic tests revealed a metastatic gastric adenocarcinoma. Despite the implementation of therapy, which had a transient effect on the ...

Fibrous histiocytomas: histopathologic review of 95 cases.

Fibrous histiocytoma (FH) is a heterogeneous tumor composed of fibroblasts, histiocytes, and blood vessels. We conducted a retrospective histopathologic analysis of 95 biopsies, performed over the last 3.5 years, of fibrous histiocytomas to analyze the location, delimitation, epithelial changes, induction of folliculo-sebaceous structures, cellularity, vascularity, collagen pattern, and types of composite cells...

Infundibulomatosis: A case report with immunohistochemical study and literature...

Tumor of the follicular infundibulum was first described in 1961 by Mehregan and Butler in a patient presenting with multiple papules. It is more frequent, however, as an isolated lesion affecting mainly the face, neck, and upper trunk. Clinical presentation is variable, requiring histology for the diagnosis, which reveals typically a plate-like proliferation of keratinocytes in continuity with the epidermis an...

Photoallergic contact dermatitis from benzydamine presenting mainly as lip derm...

BACKGROUND: Benzydamine, a non-steroidal anti-inflammatory drug (NSAID) in use for more than four decades, has been reported to cause photosensitivity. OBJECTIVES: To study the results of photopatch testing to benzydamine and the clinical features of the dermatitis during a 3-year period (2006-2008). PATIENTS AND METHODS: During this period, 74 patients with photodermatoses were photopatch tested with an exte...

Cutaneous pseudallescheria boydii infection in a renal transplant patient: A ca...

We describe the case of a 59-year-old male renal transplant recipient who presented with a 1 month history of nodular, erythematous, and crusted lesions on the anterior surface of the left leg. There was no history of trauma. The patient had no systemic signs or symptoms. A skin biopsy revealed evidence of a deep fungal infection, with septate and branching hyphae amongst the dermal inflammatory infiltrate, but...

Photopatch testing with an extended series of photoallergens: a 5-year study

OBJECTIVE: We conducted a retrospective study (2003-07) evaluating the results of photopatch tests (PPTs) performed with an extended series with the objective of determining the main photoallergens in our region and whether they would be detected by a recently recommended baseline PPT series. MATERIALS AND METHODS: 83 patients (58 females/25 males, mean age 54.8 years) were tested with a photoallergen series, a...

Síndrome de Hipersensibilidade a Fármacos / DRESS: 5 Anos de Experiência num Se...

Pioderma Gangrenoso da parede abdominal após cesariana

Allergic contact dermatitis from photobonded acrylic gel nails: a review of fou...