Prostate Adenocarcinoma With Atypical Immunohistochemistry Presenting With a Cheerio Sign
The most common cancer in men is prostate cancer. The Cheerio sign is the computed tomography finding of multiple pulmonary nodules with central lucency resembling the ring-shaped Cheerio breakfast cereal. Unlike bone metastasis, pulmonary involvement is less common. The Cheerio sign has malignant a...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
American College of Physicians
2022-11-01
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| Series: | Annals of Internal Medicine: Clinical Cases |
| Online Access: | https://www.acpjournals.org/doi/10.7326/aimcc.2022.0508 |
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| Summary: | The most common cancer in men is prostate cancer. The Cheerio sign is the computed tomography finding of multiple pulmonary nodules with central lucency resembling the ring-shaped Cheerio breakfast cereal. Unlike bone metastasis, pulmonary involvement is less common. The Cheerio sign has malignant and benign etiologies. Thyroid transcription factor-1 (TTF-1) stain is commonly used in the diagnosis of primary lung cancer. TTF-1 positivity in cancers of prostate origin is rare, with only case reports and small case series available in the literature. Metastatic prostate cancer presenting with a Cheerio sign has not been reported in the literature. |
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| ISSN: | 2767-7664 |