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Biomedical subjects

C E Krill

Publications and source records attributed to C E Krill.

10 recordsLinked to original sources

Fusarium meningoencephalitis in a child with acute leukemia.

A 15-year-old boy with acute lymphoblastic leukemia (ALL) developed disseminated fusarium infection with meningoencephalitis following a contaminated skin wound. With antifungal therapy, the cutaneous lesions cleared but central nervous system (CNS) infection persisted causing a fibrosing meningitis and a brain granuloma. Fusaria are soil saprophytes that are more commonly associated with superficial eye and skin lesions, but may also cause severe systemic infections with CNS involvement in immuno-compromised patients. The organism may be confused with Aspergillus in tissue sections, and can only be diagnosed by culture.

Adolescent

Methemoglobinemia due to ingestion of N,N-dimethyl-p-toluidine, a component used in the fabrication of artificial fingernails.

An acute cyanotic episode due to methemoglobinemia occurred in a 16-month old girl following the ingestion of N,N-dimethyl-p-toluidine, a commercially available component used in the production of artificial fingernails. The amount of the parent compound ingested was about 6 mg/kg of body weight. Administration of methylene blue was effective in the reversal of the methemoglobinemia. In vitro studies suggest that the activity of the compound was probably due to its biochemical transformation to the toxic metabolite p-methylphenylhydroxylamine. We expand the list of aromatic amino or nitro compounds and their derivatives capable of producing methemoglobinemia and call attention to the hazard of their ingestion.

Accidents, Home

Tumors of skeletal muscle.

The most common tumors arising in muscle are soft tissue sarcomas, fibromatoses, and hemangiomas. Rhabdomyosarcoma is primarily a tumor of childhood and adolescence and arises most commonly in extramuscular sites. Most intramuscular rhabdomyosarcomas are alveolar. Increased diagnostic accuracy and the recognition of malignant fibrous histiocytoma have changed understanding of adult, intramuscular, pleomorphic rhabdomyosarcoma. Immunohistochemistry is playing an increasingly important role in the diagnosis of rhabdomyosarcoma, and the correlation between the histologic features and clinical behavior of rhabdomyosarcoma is under investigation. Because of their diversity and overlapping histologic features, muscle tumors are a challenge for the pathologist and require intensive study by current techniques.

Adolescent