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Case for diagnosis

Human scabies is an intensely pruritic skin infestation caused by Sarcoptes scabiei var. hominis. Crusted scabies (previously known as Norwegian scabies) is a rare form, very contagious and transmitted by direct contact with the skin. Despite being readily treatable, a delayed diagnosis often leads to widespread infestation of contacts, and therefore difficult to restrain. This case concerns a patient where der...

Case for diagnosis

This report describes a patient with clinical and histopathological findings compatible with angiolymphoid hyperplasia with eosinophilia. This benign vascular hyperplasia should be recognized and differentiated from Kimura's disease.

Adverse cutaneous reactions to epidermal growth factor receptor inhibitors: a s...

BACKGROUND: Cetuximab and erlotinib, epidermal growth factor receptor inhibitors, often cause peculiar adverse cutaneous reactions. OBJECTIVES: Our aim was to evaluate adverse cutaneous reactions and their management in patients undergoing treatment with cetuximab and erlotinib. PATIENTS AND METHODS: Between March/2005 and September/2009, we observed 14 patients with a mean age of 59.6 years undergoing treatm...

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...

Vasculite livedóide em doente com síndrome antifosfolípido

The authors present a clinical case of a 30 year old male patient admitted to the hospital for recurrent cyanosis and feet pain lasting for one year. In addition he presented bilateral purpuric lesions in the lateral maleolar region, one of which with ulceration. The finding of anticardiolipin antibodies associated with intraluminal thrombosis in the dermal vessels, allowed to conclude for Antiphospholipid synd...

A propósito de um caso de espessamento cutâneo

The authors present a clinical case of a 79 years old female patient, with a progressive cutaneous thickening of the face, trunk and limbs, lasting for 6 years. She also presented exertional dyspnea and intermittent solid dysphagia. The laboratory study identified IgG KAPA monoclonal protein and antinuclear antibodies with a speckled pattern. The nailfold capillaroscopy was normal. A detailed physical examinati...

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...

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...

Neutrophilic dermatosis of the dorsal hands associated with hypopharyngeal carc...

Neutrophilic dermatosis of the dorsal hands (NDDH) is a rare and recently described disorder regarded as a subset of neutrophilic dermatosis, similar to superficial pyoderma gangrenosum and pustular vasculitis. Many currently consider it to be a localized variant of Sweet Syndrome. We describe the case of a 63-year-old male patient with NDDH associated with hypopharyngeal carcinoma. A biopsy demonstrated change...

Vancomycin-associated linear IgA bullous dermatosis mimicking toxic epidermal n...