Although subungual squamous cell carcinoma is rare, it is the most common primary malignant neoplasms in this location. The higher incidence occurs in the fingernails, but involvement of the toenails is also possible. Subungual squamous cell carcinoma often looks like other more common benign lesions, such as fungal infection, onychomycosis, or viral wart.
View Article and Find Full Text PDFThe diagnosis of bullae can be a challenge. The proper diagnosis and prompt treatment is mandatory because most of these diseases are associated with a significant degree of morbidity. The authors present the case of a 76-year-old woman admitted for treatment of anasarca.
View Article and Find Full Text PDFIn Brazil, without considering the non-melanoma skin tumors, bladder cancer in men is the eighth most common, and the urothelial carcinoma or transitional cell carcinoma is the most common among these. Cutaneous metastases from urothelial neoplasms appear as single or multiple erythematous, infiltrated nodules or plaques, and like other cases of distant disease, it is indicative of poor prognosis. The invasive urothelial carcinoma is recognized for its ability to present divergent differentiation and morphological variants.
View Article and Find Full Text PDFPemphigus vulgaris is an autoimmune disease characterized by suprabasal blisters with acantholysis, which has a fatal course in a large number of untreated patients. Systemic corticosteroid therapy is considered first-line therapy. Adjuvant treatment with the goal of sparing corticosteroids include, among others, dapsone.
View Article and Find Full Text PDFWe report the case of a three-year-old child who, following long term treatment with topical corticosteroids and their associations for a case of ringworm on the face developed a form of folliculitis known as Majocchi's Granuloma. Treatment with oral Griseofulvin was successful.
View Article and Find Full Text PDFAn Bras Dermatol
April 2015
Confluent and reticulated papillomatosis of Gougerot and Carteaud is a dermatosis that despite showing characteristic clinical signs is often poorly recognized and diagnosed. The authors present a case with extensive skin involvement, discuss its association with obesity and describe dermoscopic findings making the histopathological correlation.
View Article and Find Full Text PDFOver the last few centuries, the expansion of urbanization brought bats closer to urbanized areas, increasing the risk of accidents by bat bites. The morphology of bat bites can be varied, usually having an elliptical shape, about 0.5 cm along its greatest length, and the characteristic corkscrew bite pattern.
View Article and Find Full Text PDFSebaceous carcinoma is a rare and aggressive skin tumor. It can be located in any area of the body, the most commonly involved area being the periorbital region. It does not entail a typical clinical presentation, which explains the often late diagnosis.
View Article and Find Full Text PDFClinically and histopathologically paucibacillary leprosy shows similar features with initial morphea. In this case we report a 24 yr-old male patient who presented to our dermatology department with diagnosed paucibacillary leprosy by his local dermatologist, and confirmed by perineurovascular lymphocytic infiltrate in the histopathological exam. On physical examination we found new plaque lesions that were suggestive of morphea with alteration of sensitivity.
View Article and Find Full Text PDFDermatol Online J
November 2012
Poroma is a rare, benign, appendage tumor. Clinically, it presents as a solitary, slowly growing tumor situated mostly on the palms and soles of adults. Occasionally, poroma mimics malignant tumors.
View Article and Find Full Text PDFExtraocular sebaceous carcinoma (ESC) is a rare, aggressive malignant tumor that originates from the adnexal epithelium of the sebaceous gland. We present herein one of the largest cases reported in the literature until now. We also review briefly the relevant aspects including clinical presentation, differential diagnosis, histopathological features, inmunohistochemical profile, and therapeutic options.
View Article and Find Full Text PDFTufted angioma is a rare acquired vascular tumor. It is characterized by painful purplish macules that may progress to plaques containing angiomatous papules. The condition is benign; however, it often affects extensive areas of the skin, leading to functional disability of the affected limb if painful.
View Article and Find Full Text PDFHydroquinone is the first choice of topical bleaching agents used in treatment of melasma. In Brazil, hydroquinone is widely prescribed by physicians and often used by patients without a prescription. The principal adverse effects of its chronic use are confetti-like depigmentation and exogenous ochronosis.
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