Cutaneous metastasis of signet ring cell carcinoma from unknown origin

Authors

  • Jantanut Witthawaschaikul INSTITUTE OF DERMATOLOGY, MINISTRY OF PUBLIC HEALTH, BANGKOK, THAILAND
  • Voraphol Vejjabhinanta INSTITUTE OF DERMATOLOGY, MINISTRY OF PUBLIC HEALTH, BANGKOK, THAILAND

Keywords:

Cutaneous metastasis, Signet ring cell carcinoma

Abstract

Cutaneous metastasis from signet ring cell carcinoma is uncommon. A 54-year-old Cambodian woman presented with a 4-month history of multiple painless nodules on her back. The biopsy revealed aggregations of signet ring cell in the dermis. Immunohistochemical staining can help differentiate the origin of signet ring cell carcinoma. Further investigations should be performed to identify the hidden tumor.

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Published

2026-05-28

How to Cite

Witthawaschaikul, J., & Vejjabhinanta, V. (2026). Cutaneous metastasis of signet ring cell carcinoma from unknown origin. Thai Journal of Dermatology, 32(2), 154–160. retrieved from https://he02.tci-thaijo.org/index.php/TJD/article/view/282565

Issue

Section

Case Report