Biomedical subjects
Publications and source records attributed to J J Meffert.
Clear cell acanthoma (CCA) is a rare, benign epithelial tumor most frequently found on the lower extremities. Its clinical appearance may vary considerably, and cases of multiple lesions have been reported. The diagnosis is made by viewing the characteristic histologic features. This case describes an unusual scalp lesion that clinically and histologically shows unique polypoid features.
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We describe a 19-year-old African-American man with a 14-year history of migratory poliosis. We suggest that this phenomenon may represent a forme fruste of alopecia areata.
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The environmental extremes in which soldiers exercise and fight, like the environmental extremes in which many civilians encounter occupationally and recreationally, can prove to be a significant cause for morbidity and decreased effectiveness. A variety of skin diseases are related to occupational exposure to dusts and ultraviolet radiation as a well known cause of cutaneous damage. As more is understood about the biochemical factors involved in frostbite injury, treatment recommendations have changed. Too much water, hot or cold, is a continued source of cutaneous misery to the soldier in the field. Finally, even common minor skin ailments can incapacitate the sufferer when confronted with unfavorable environments.
A variety of environmental stimuli, such as vibration, ultraviolet radiation, and exposure to water, are recognized as causes of "physical urticaria." A medical student, participating in a demonstration of a galvanic device used in the treatment of hyperhidrosis, demonstrated urticaria in response to this galvanic stimulation.
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For several months, a 17-year-old male athlete noticed that his feet had an itchy, burning sensation at the heels and toes. His foot odor had become so malodorous (somewhat akin to rotting fish) that he would not remove his shoes except immediately before washing his feet. Washing made the odor somewhat milder, but only for a short time. The patient had tried an over-the-counter "athlete's foot" powder without results. He had no other health problems and was not taking any medication. The accompanying figure shows the toes of his right foot.
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We describe the second case of primary cutaneous Aspergillus ustus infection in an immunocompromised patient. Cutaneous aspergillosis was confirmed both by culture and positive fluorescent antibody staining. Few species of Aspergillus are pathogenic in human beings, and fewer still cause primary cutaneous disease. The only other reported case of aspergillosis from Aspergillus ustus occurred in an immunosuppressed patient who was temporally and geographically separated from ours.
A carbuncle usually presents as a deep-seated mass of fistulous tracts between infected hair follicles. We present a case in which what appeared to be an inflamed, benign neoplasm turned out to be a very unusual presentation for this condition, the first we could find in the literature. A 62-year-old woman presented with a bothersome 'mole' on her flank of uncertain duration but it was initially pruritic and irritated by her clothing. Owing to the pain, she wanted its removal. A 1 cm soft, pink, stalked papule revealed multiple, closed,, comedo-like spots on its surface (Fig. 1). The lesion was mildly tender and freely mobile on a broad-based stalk. A pre-biopsy diagnosis of irritated intradermal nevus or neurofibroma was made, and the lesion was blade-shaved flush with the skin surface. Histologically, the papule demonstrated small abscesses which seemed to connect, as well as foci of granulation tissue and marked dermal edema (Fig. 2). Fragments of infundibular epidermis were found throughout the lesion. No residual melanocytic or neural neoplasms were identified.