PMC6147829_01
Benign eccrine poroma in the palm of the left hand.
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Physical examination revealed a 4 x 3 cm ulcerated, tender, firm and mobile mass in the subcutaneous plane of the hand, which was attached to the skin near the center (Figure 1).
Benign eccrine poroma tumor, consisting of sheets of uniform small cuboidal cells with intervening narrow ductal lumina lined by eosinophilic cuticles (H/E stain x 40).
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Histological examination revealed a benign adnexal neoplasm with a characteristic population of cuticular and eccrine glandular cells with formation of ductal structures and intraluminal secretions (Figure 2).