Hybrid cyst coexisting with glomus coccygeum

Hyunsoo Kim, Gou Young Kim, Sung Jig Lim, Youn Wha Kim

Research output: Contribution to journalArticle

Abstract

A 36-year-old female patient with a mass in the coccygeal region underwent surgical removal of the mass, and this revealed a hybrid cyst in coexistence with a glomus coccygeum. This unusual cutaneous cyst had an epithelial lining composed of keratinizing, stratified squamous epithelium with an intact granular layer immediately adjacent to apocrine cells, and the apocrine cells showed the characteristic features of "decapitation secretion". The glomus coccygeum, which is a minor finding in specimens from the sacral area and it may represent a diagnostic challenge to the unaware observer, was incidentally identified in the dermis. The glomus coccygeum was located beneath the epithelial transition area of the hybrid cyst. Immunohistochemical analysis revealed that the cytoplasm of the epithelioid glomus cells was positive for smooth muscle actin, and these epithelioid glomus cells were arranged in concentric layers around blood vessels, and the cellular stroma surrounding the glomus bodies were positive for S-100 protein.

Original languageEnglish
Pages (from-to)323-326
Number of pages4
JournalKorean Journal of Pathology
Volume42
Issue number5
Publication statusPublished - 2008 Dec 1

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Cysts
Epithelioid Cells
Sacrococcygeal Region
Decapitation
S100 Proteins
Dermis
Smooth Muscle
Blood Vessels
Actins
Cytoplasm
Epithelium
Skin

All Science Journal Classification (ASJC) codes

  • Pathology and Forensic Medicine

Cite this

Kim, H., Kim, G. Y., Lim, S. J., & Kim, Y. W. (2008). Hybrid cyst coexisting with glomus coccygeum. Korean Journal of Pathology, 42(5), 323-326.
Kim, Hyunsoo ; Kim, Gou Young ; Lim, Sung Jig ; Kim, Youn Wha. / Hybrid cyst coexisting with glomus coccygeum. In: Korean Journal of Pathology. 2008 ; Vol. 42, No. 5. pp. 323-326.
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Kim, H, Kim, GY, Lim, SJ & Kim, YW 2008, 'Hybrid cyst coexisting with glomus coccygeum', Korean Journal of Pathology, vol. 42, no. 5, pp. 323-326.

Hybrid cyst coexisting with glomus coccygeum. / Kim, Hyunsoo; Kim, Gou Young; Lim, Sung Jig; Kim, Youn Wha.

In: Korean Journal of Pathology, Vol. 42, No. 5, 01.12.2008, p. 323-326.

Research output: Contribution to journalArticle

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Kim H, Kim GY, Lim SJ, Kim YW. Hybrid cyst coexisting with glomus coccygeum. Korean Journal of Pathology. 2008 Dec 1;42(5):323-326.