Primary synovial sarcoma and acinar adenocarcinoma of prostate rarely occur simultaneously: A case report

Author:

Shi Qichong1,Zhou Yun2,Wang Longmei3ORCID

Affiliation:

1. Department of General Surgery, Huai’an Fifth People’s Hospital, Huai’an, Jiangsu, China

2. Department of Pathology, Hen’an University, Kaifeng, He’nan, China

3. Department of Pathology, Huai’an Fifth People’s Hospital, Huai’an, Jiangsu, China.

Abstract

Rationale: Primary synovial sarcoma of the prostate is an extremely rare mesenchymal malignant soft tissue tumor with unique morphological features. Synovial sarcoma often occurs in the pararticular tissues of limbs in young people, but rarely occurs in prostate. Because it is very rare, it is easily misdiagnosed as benign prostatic hyperplasia or prostate cancer clinically. A case of synchronous acinar adenocarcinoma of the prostate has not been reported. In this article, we report a unique case of primary prostatic synovial sarcoma with acinar adenocarcinoma. Patient concerns: A 58-year-old male patient was found to have a prostate mass during physical examination. Prostate ultrasound examination showed an increase in prostate volume of 5.2 × 3.3 × 3.3 cm, mixed echo mass can be seen on the left side of the prostate, with a size of approximately 4.9 × 4.3 cm, left seminal vesicle compressed. Diagnoses: Prostatic synovial sarcoma (biphasic type) combined with prostatic acinar adenocarcinoma (Gleason 3 + 3). Intervention: The patient received radical prostatectomy, followed by adjuvant chemotherapy and radiotherapy. Outcome: After 2 months of follow-up, at the time of writing this article, the patient received a comprehensive treatment plan of adjuvant chemotherapy and radiotherapy for 2 months, and no recurrence or metastasis was found. Lessons: Primary prostatic synovial sarcoma (biphasic type) combined with prostatic acinar adenocarcinoma is a very unique and rare case, and effective treatment guidelines are not yet clear, posing new challenges to clinical treatment. Making full use of pathological and imaging examinations, early diagnosis and radical surgery combined with multidisciplinary treatment seem to be still a positive method.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

General Medicine

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