Dermatofibroma-like dermal non-neural granular cell tumor
- Authors
- Kim, Na Young; Jang, Ju Wang; Huh, Yun Jung; Ro, Young Suck; Paik, Seung Sam; Ko, Joo Yeon
- Issue Date
- Apr-2023
- Publisher
- WILEY
- Keywords
- dermal non-neural granular cell tumor; dermatofibroma; immunohistochemistry
- Citation
- JOURNAL OF CUTANEOUS PATHOLOGY, v.50, no.4, pp.316 - 320
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF CUTANEOUS PATHOLOGY
- Volume
- 50
- Number
- 4
- Start Page
- 316
- End Page
- 320
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/185810
- DOI
- 10.1111/cup.14336
- ISSN
- 0303-6987
- Abstract
- Non-neural granular cell tumor (NNGCT) is a rare tumor with uncertain lineage. It presents as an asymptomatic polypoid or plaque-like lesion, especially on trunk. Because the granular cells are usually strongly reactive with S-100 stain, conventional granular cell tumors (GCTs) are regarded as those of neural or Schwann cell origin. Unlike GCTs, NNGCT is not reactive for S-100 protein and is thought to derive elsewhere, presumably from mesenchymal stem cells. A 20-year-old woman presented with a solitary, dermatofibroma-like, brownish nodule on her right arm. The lesion developed 3 months before presentation without subjective symptoms. Histopathologic examination revealed a grenz zone overlying a poorly circumscribed tumor extending through the reticular dermis. The tumor cells were large and polygonal, and they had numerous eosinophilic small granules in the cytoplasm. Immunohistochemical stains were positive for CD68, vimentin, factor XIIIa, CD10, and cyclin D1. Stains for S-100 protein, neuron-specific enolase, and CD34 were negative. Based on these findings, the lesion was diagnosed as dermal NNGCT.
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