A Solitary Tumor of the Left Temple
S. Cliff;
M. Otter;
M. G. Cook;
L. S. Ostlere
St George's Hospital, London, England
Arch Dermatol. 1999;135:463-468.
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REPORT OF A CASE
A 22-year-old Afro-Caribbean woman presented with an asymptomatic lesion over her left temple that had been present for 4 years and was slowly enlarging. She was otherwise well. Examination revealed an erythematous pedunculated lesion, 1 cm in diameter, with a central plug (0.5 cm in diameter) (Figure 1). The lesion was excised with a narrow margin and sent for histopathologic examination (Figure 2 and Figure 3).
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Figure 1.
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Figure 2.
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Figure 3.
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What is your diagnosis?
Diagnosis: Polypoid eccrine poroma.
The sections of the polypoid skin lesion showed dermal cords and trabeculae of uniform basaloid cells (Figure 2) extending from the underside of the epidermis. The tumor cells showed diastase-sensitive periodic acid–Schiff–positive staining, with areas of melanin pigmentation, squamous differentiation, and focal ductule lumina (Figure 3). Occasional mitoses were seen but none were abnormal. The surrounding . . . [Full Text of this Article]
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