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Published on: March 31, 2023
[Primary bilateral testicular plasmacytoma: a case report]
Masahiro Takahashi1, Keiichi Ito, Ken Sato
1The Department of Urology, National Defense Medical College.
Hinyokika Kiyo. Acta Urologica Japonica
|December 15, 2011
Summary
A rare case of initial peripheral T cell lymphoma misdiagnosis in the testis, later identified as plasmacytoma, highlights diagnostic challenges. This testicular cancer recurred and metastasized, leading to patient death despite treatment.
Area of Science:
- Oncology
- Pathology
- Immunohistochemistry
Background:
- Testicular tumors can present diagnostic challenges.
- Peripheral T cell lymphoma and plasmacytoma are distinct entities.
Observation:
- A 66-year-old man initially diagnosed with peripheral T cell lymphoma of the testis was later found to have recurrent plasmacytoma.
Findings:
- Re-evaluation of the initial tumor using CD38 and CD138 immunostaining confirmed it as plasmacytoma, not lymphoma.
- The patient developed metastases to bone and pharynx, succumbing to disseminated disease.
Implications:
- Accurate immunohistochemical analysis is crucial for diagnosing rare testicular tumors.
- Early and correct diagnosis of testicular plasmacytoma is vital for appropriate treatment and prognosis.
