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Scrotal calcification: ultrasound appearances, distribution and aetiology

Department of Diagnostic Radiology, King's College Hospital, Denmark Hill, London SE5 9RS, UK

View larger version (65K): [in a new window]   Figure 1. Echogenic foci due to vascular calcification. (a) Several punctate foci (arrows). (b) Cluster of echogenic foci (arrow).

View larger version (111K): [in a new window]   Figure 2. Missed testicular torsion. Multiple echogenic foci seen within a testis of hypoechoic echotexture.

View larger version (62K): [in a new window]   Figure 3. Mixed germ cell tumours. (a) Longitudinal section demonstrating a discrete mass of similar echogenicity to the testis (arrows), containing a central calcific focus. (b) A large germ cell tumour in a different patient (arrowheads), with peripheral calcification (arrow).

View larger version (110K): [in a new window]   Figure 4. Malignant teratoma. A well defined hypoechoic mass (open arrows) with a peripheral focus of calcification (curved arrow).

View larger version (120K): [in a new window]   Figure 5. Teratocarcinoma. A heterogeneous mass (small arrows) containing several foci of calcification both centrally and peripherally (large arrows).

View larger version (128K): [in a new window]   Figure 6. "Burnt out tumour". A focal area of calcification (arrow) within the testis, representing a regressed testicular tumour.

View larger version (106K): [in a new window]   Figure 7. Sertoli cell tumour. Large smooth curvilinear calcification (curved arrow) at the periphery of a heterogeneous mass (open arrows).

View larger version (129K): [in a new window]   Figure 8. Epidermoid tumour. Well demarcated hypoechoic mass with two foci of calcification (arrows) within the wall.

View larger version (150K): [in a new window]   Figure 9. Simple intratesticular cyst. The cyst is perfectly anechoic and has calcification within the rim.

View larger version (108K): [in a new window]   Figure 10. Granulomatous disease. Characteristic multiple large areas of calcification are demonstrated within the testis.

View larger version (125K): [in a new window]   Figure 11. Testicular microlithiasis. Scattered echogenic foci are seen throughout the testis.

View larger version (73K): [in a new window]   Figure 12. Testicular microlithiasis. In association with a seminoma (a) and an intratesticular cyst (b).

View larger version (142K): [in a new window]   Figure 13. Scrotal pearl (arrow).

View larger version (117K): [in a new window]   Figure 14. Tunical calcification. A linear plaque of calcification with acoustic shadowing (arrow).

View larger version (110K): [in a new window]   Figure 15. Calcification (arrow) within the epididymal head.

View larger version (111K): [in a new window]   Figure 16. Tuberculous granulomas (arrow) within the epididymis.

View larger version (99K): [in a new window]   Figure 17. Sperm granulomas demonstrated within the epididymis.

View larger version (134K): [in a new window]   Figure 18. Calcification of the appendix testis. This commonly occurs following a torsion of the appendix testis.