Signet-ring cell appearance of atrophic fat cells.

Cells with 'signet-ring' appearance were found at post-mortem examination of a man with a history of chronic illness, weight loss and multiple regions of 'bowel thickening' during life. Due to the decedent's history, the finding raised the possibility of disseminated signet-ring adenocarcinoma. However, the vacuoles did not stain for mucin and the cells did not stain for keratin. The cells did stain for calretinin and so a diagnosis of signet ring mesothelioma was considered. However, it was suggested that the cells with a cytoplasmic vacuole displacing the nucleus to one side producing the signet-ring appearance were instead atrophic fat cells. This was subsequently proven by Oil Red O staining.

Citation

John D Gilbert, Neil E I Langlois, Andrew Ruszkiewicz, David Moffat, Kathy Cash. Signet-ring cell appearance of atrophic fat cells. Forensic science, medicine, and pathology. 2021 Mar;17(1):141-143

Mesh Tags

PMID: 32789763

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