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Biomedical subjects

Ramsey Markus

Publications and source records attributed to Ramsey Markus.

4 recordsLinked to original sources
PubMed2005

Sudden onset of Multiple nevi after administration of 6-mercaptopurine in an adult with Crohn's disease: a case report.

The correlation between combined chemotherapy, including 6-mercaptopurine, and development of excessive number of melanocytic nevi in childhood has been previously reported and studied. As of yet, no such relation has been reported in adults. We recently observed a 27-year-old female patient who developed numerous benign melanocytic nevi during a 20-month period while taking 6-mercaptopurine for Crohn's disease. The appearance of many nevi was worrisome to the patient from a cosmetic and medical perspective (given the higher risk of melanoma associated with large numbers of nevi).

Adult↗
PubMed2003

Koebnerization of reactive perforating collagenosis induced by laser hair removal.

Laser hair removal, due to demonstrated efficacy and safety, has become a commonly performed office procedure. We report an unusual occurrence after laser hair removal with the 800 nm diode laser that previously has never been described. After laser hair removal treatment to the ventral surface of the ears, a patient developed lesions of previously diagnosed reactive perforating collagenosis. Interestingly, the lesions appeared on the dorsal surface of the ears. Perhaps the koebner phenomenon was invoked as the laser energy penetrated to the untreated dorsal surface, which was not protected by epidermal contact cooling.

Biopsy, Needle↗
PubMed2003

Diltiazem-induced photodistributed hyperpigmentation.

Diltiazem is a calcium-channel antagonist commonly prescribed in the treatment of cardiovascular disease. Although an extensive spectrum of cutaneous reactions to diltiazem has been described, only two published reports of hyperpigmentation induced by diltiazem are known. We report the cases of a 71-year-old black male and a 49-year-old Hispanic male, who both presented with characteristic hyperpigmentation on sun-exposed areas after taking an extended-release form of diltiazem hydrochloride (Tiazac).

Aged↗