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Dermal cylindroma

In dermatologic pathology, a dermal cylindroma, also dermal eccrine cylindroma or cutaneous cylindroma) and cylindroma, is a benign adnexal tumor that occurs on the scalp and forehead.

Histology
Dermal cylindromas are: • Dermal lesions consisting of nests of cells that are surrounded by hyaline (i.e., glassy, eosinophilic, acellular) material and have: • Hyperchromatic nuclei that may palisade (columnar nuclei arranged around the periphery of the cell nests with their short axis tangential to the nest periphery), and • Cells with lighter staining ovoid nuclei at their centre. They lack of a significant number of lymphocytes; this differentiates them from spiradenomas. ==Additional images==
Additional images
Dermal cylindroma intermed mag.jpg|Micrograph of a dermal cylindroma in H&E stain. File:Dermal cylindroma high mag.jpg|Micrograph of dermal cylindroma in H&E stain. File:SkinTumors-P7240511.JPG|Dermal cylindroma. Puzzle-like distribution of tumour foci. File:SkinTumors-P7130483.JPG|Dermal cylindroma. Hyaline droplets visible in lobules. File:SkinTumors-P6250384.JPG|Dermal cylindroma, micronodular type. == See also ==
Source: Wikipedia ↗
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