Extruded Basal-Cell Epithelioma Nodules Simulating Molluscum Contagiosum Bodies

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Abstract
During the past year, a series of cases of proved basal-cell epithelioma with uncommon clinical findings have been observed. To date, four cases have been collected. Lesions have occurred on the side of the neck, two on the nose, and on the upper lip. In two of the cases, there were small central plugs, and the clinical diagnosis in these was molluscum contagiosum. In all four cases, at the performance of biopsy, either by scissors or our razor-blade technique, a small nodule was extruded chiefly through pressure of biopsy. This nodule was thought to be a molluscum body. In each one of the four cases, the small nodule on section showed a solid basal-cell tumor nest with edema of the surrounding tissue. At times, connective tissue compression of the palisade formation about the periphery may simulate a "capsule." These nodules may be formed by degeneration of the collagen

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