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Case Reports
. 2025 Jan 28:60:41-43.
doi: 10.1016/j.jdcr.2024.12.002. eCollection 2025 Jun.

Sweat gland carcinoma with neuroendocrine differentiation of the scalp with elevated serum chromogranin A levels

Affiliations
Case Reports

Sweat gland carcinoma with neuroendocrine differentiation of the scalp with elevated serum chromogranin A levels

Elyse C Wyatt et al. JAAD Case Rep. .
No abstract available

Keywords: CgA; LGNECS; SCAND; chromogranin A; low-grade neuroendocrine carcinoma of the skin; sweat gland carcinoma with neuroendocrine differentiation.

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Conflict of interest statement

None disclosed.

Figures

Fig 1
Fig 1
A, 1.2 cm erythematous scaling plaque. B, Dermoscopy of plaque showing pink and white structureless areas with polymorphous vessels.
Fig 2
Fig 2
A, Punch biopsy histology showing tumor cells within the dermis and superficial subcutis (original magnification ×40). B, Tumor cells in the dermis as cords and nests. The epidermis in uninvolved (original magnification ×100). C, Tumor cells are fairly uniform and round with ample pale to eosinophilic cytoplasm, oval nuclei, mild pleomorphism, and sparse mitosis (original magnification ×200). D, Tumor cells with perineural/intraneural invasion (original magnification ×100). E, Tumor cells positive staining with pan-cytokeratin (original magnification ×100). F, Tumor cells positive staining with synaptophysin (original magnification ×100). G, Tumor cells positive staining with chromogranin (original magnification ×100).

References

    1. Goto K., Kukita Y., Honma K., et al. Sweat-gland carcinoma with neuroendocrine differentiation (SCAND): a clinicopathologic study of 13 cases with genetic analysis. Mod Pathol. 2022;35(1):33–43. doi: 10.1038/s41379-021-00921-8. - DOI - PubMed
    1. Chen T.Y., Morrison A.O., Susa J., Cockerell C.J. Primary low-grade neuroendocrine carcinoma of the skin: an exceedingly rare entity. J Cutan Pathol. 2017;44(11):978–981. doi: 10.1111/cup.13028. - DOI - PubMed
    1. Al-Janabi S., Kasius J., Jaspars E., Snijders M. Primary cutaneous neuroendocrine tumor of the vulva: a case report. Int J Gynecol Pathol. 2023;42(3):278–281. doi: 10.1097/PGP.0000000000000919. - DOI - PubMed
    1. Krogh S., Bak Nielsen M., Kornerup L.S., Dam G. Case of primary low-grade neuroendocrine carcinoma of the skin. BMJ Case Rep. 2023;16(12) doi: 10.1136/bcr-2023-257569. - DOI - PMC - PubMed
    1. Gkolfinopoulos S., Tsapakidis K., Papadimitriou K., Papamichael D., Kountourakis P. Chromogranin A as a valid marker in oncology: clinical application or false hopes? World J Methodol. 2017;7(1):9–15. doi: 10.5662/wjm.v7.i1.9. - DOI - PMC - PubMed

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