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PubMed1999

Multiple primary melanoma.

BACKGROUND: Incidence rates of cutaneous malignant melanoma (CMM) have been increasing for decades among Caucasian populations worldwide. Multiple factors identify persons at increased risk of CMM, including those with a family history of melanoma and those with atypical moles. Approximately 6-12% of melanomas are familial and approximately 12% of patients with familial melanoma have multiple primary melanomas. OBJECTIVE: To report a case of a patient with atypical moles and with 17 multiple primary melanomas. To review the literature on multiple primary melanomas as well as to review the genetics and treatment of melanoma. CONCLUSION: Patients with numerous atypical moles and a family or personal history of melanoma are at greatest risk for developing CMM. Patients from this population tend to develop CMM approximately 10 years earlier than the general population and have an increased risk for developing multiple primary melanomas. Since genetic tests capable of detecting individuals with an inherited susceptibility to CMM are not available, it is important to identify those patients with an increased risk and monitor them closely with regular total-body examinations.

Biopsy↗

PubMed1996

Basal cell carcinoma on the neck.

BACKGROUND: In our Mohs surgery practice, a large number of basal cell carcinomas (BCCs) occurring on the neck were noted to be of the superficial type. OBJECTIVE: Our purpose was to examine a series of consecutive cases of BCC on the neck. METHODS: We reviewed all cases of BCC on the neck that were treated in our Mohs surgery unit from 1988 to 1993. Permanent histologic sections of the BCCs, obtained by excisional debulking of the tumors, were examined and the BCCs were typed histologically. Each histologic type was correlated with the patient's age, race, sex, its location on the neck, and its status as either a primary or recurrent lesion. RESULTS: In total, 97 BCCs on the neck from 93 patients were examined. All patients were Caucasians with an average age of 62.7 years. A peak incidence in the fifth decade occurred in males while this peak occurred in the eighth decade for females. Males outnumbered females 3.4:1. The type and incidence of each BCC was studied with the following results: superficial (38.1%), mixed-superficial (30.0%), nodular (15.5%), infiltrative (7.2%), morpheaform (5.1%), adenoid (2.1%), keratotic (1.0%), and metatypical (1.0%). Fifty-one percent of the tumors were primary and 49% were recurrent. The most common location on the neck was the skin overlying the superior aspect of the sternocleidomastoid muscles. CONCLUSION: BCCs occurring on the neck were most commonly of the superficial type.

Adult↗