We report on an an 8-year-old boy with a unilateral testicular mass an
d bilateral diffusely echogenic testes on sonography. At inguinal expl
oration torsion of an appendix testis with a reactive phlegmon was fou
nd and testis biopsy revealed significant testicular microlithiasis. T
o our knowledge our case demonstrates a previously undescribed present
ation of testicular microlithiasis. The literature is reviewed and thi
s disease entity is discussed.