Skin Metastases from Small‐Cell Carcinoma of the Lung

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Abstract
This paper reports the first case of skin metastases from small-cell carcinoma of the lung with electron microscopic confirmation. The 2 to 3-cm cutaneous lesions present on the chest and limbs were hard, nontender, smooth-surfaced, freely moveable nodules with normal appearing overlying skin. Characteristic dense-core granules 1562 123 Å (SEM) in diameter were detected by electron microscopy. The detection by electron microscopy of dense-core granules may assist in confirming the diagnosis of small-cell carcinoma in cutaneous lesions with equivocal histologic findings.