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Picture of the Month—Diagnosis
Arch Pediatr Adolesc Med. 2009;163(10):956.
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Denouement and Discussion: Eyelid Pilomatricoma
Both lesions underwent surgical excision (Figure 2), and histopathologic examination revealed well-demarcated tumors with distinct regions of darkly stained basophilic cells and pale-staining anuclear cells in both cases. There were also focal calcium deposits within the tumors.
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Figure 2. Patient 1 (A) and patient 2 (B) following oculoplastic excision and repair.
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The images depict pilomatricomas involving the eyelid. Pilomatricomas, also referred to as pilomatrixomas and calcifying epitheliomas of Malherbe, represent benign tumors of hair follicle origin. They were first described in 1880 by Malherbe and Chenantais.1 Although they can occur in any age group, they are most common in children and adolescents.2 They typically appear as solitary, firm, painless dermal papules or nodules on the head and neck. Pilomatricomas may have a bluish coloration or may have central ulceration revealing underlying calcification (Figure 3). When palpated, they often exhibit the so-called teeter-totter sign, as pressure on . . . [Full Text of this Article]
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Leslie Castelo-Soccio, William R. Katowitz, James A. Katowitz, Kara N. Shah, James R. Treat, and Albert C. Yan
Arch Pediatr Adolesc Med. 2009;163(10):955.
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