The preferred method of evaluating testicular mass is using Ultrasound.
But weve got a CT pelvis showing a left testicular mass.
Since 25% of testicular tumor seminoma present with metastases, it is good to have a CT when testicular tumour is suspected on USG.
DIFFERENTIAL DIAGNOSIS of testicular mass
1.Testicular Tumors
2.Testicular Cyst
3.Testicular abscess
TESTICULAR TUMORS
1.GERM CELL TUMOUR - 95%
A.SEMINOMA - 50% OF GCT
Most common Testicular Cancer
Most common cancer in undescended testes
B.EMRYONAL CARCINOMA - 25% OF Germ cell tumor
More aggressive than seminomas
C.CHORIOCARCINOMA
D.TERATOMA
2.NON GERM CELL TUMORS
SERTOLI CELL TUMORS - secretes oestrogens
LEYDIG CELL TUMOR - secretes testosterone
3.METASTASIS : Most common tumors in males > 50 years
Source:
Aids to radiological differential diagnosis - Chapman & Nakielny
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