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Primary testicular plasmacytoma with hydrocele of the testis
1Department of Urology, Jichi Medical School, Tochigi, Japan. urology@jichi.ac.jp
Insights
This report details a rare case of primary testicular plasmacytoma diagnosed preoperatively via hydrocele fluid cytology in an 86-year-old male. The patient underwent successful orchiectomy and remained well post-surgery.
Area of Science:
- Oncology
- Urology
- Pathology
Background:
- Primary testicular plasmacytoma is an exceptionally rare plasma cell neoplasm.
- Hydrocele, a fluid accumulation in the scrotum, can sometimes mask or present with underlying testicular pathology.
Observation:
- An 86-year-old male presented with a hydrocele of the right testis.
- Aspiration cytology of the hydrocele fluid revealed atypical cells, prompting further investigation.
- High inguinal orchiectomy was performed for diagnosis and treatment.
Findings:
- Immunohistochemical analysis of the resected testis confirmed primary testicular plasmacytoma.
- The tumor cells were positive for Immunoglobulin G (IgG).
- This case represents the second documented instance of preoperative diagnosis of testicular plasmacytoma using hydrocele fluid cytology.
Implications:
- Highlights the diagnostic utility of hydrocele fluid cytology in identifying rare testicular tumors.
- Suggests considering plasmacytoma in the differential diagnosis of atypical cells found in hydrocele fluid.
- Contributes to the limited literature on primary testicular plasmacytoma, aiding future clinical recognition and management strategies.
Abstract:
A case of primary testicular plasmacytoma complicated with hydrocele of the testis is reported. An 86-year-old man presented with hydrocele of the right testis. High inguinal orchiectomy was performed as the preoperative aspiration cytology of the hydrocele fluid showed atypical cells. Immunohistochemical study of the right testis revealed testicular plasmacytoma positive for IgG. He remained well 9 months after the orchiectomy. This is the second reported case where the preoperative diagnosis of testicular plasmacytoma was made based on the hydrocele fluid cytology.