26-year-old man with no palpable vas deferens. Midline transverse sonogram of both testes shows dilatation of the rete testis in the medial aspect of each testis. These findings are typical of congeni

Heterogeneity for mutations in the CFTR gene and clinical correlations in patients with congenital absence of the vas deferens

Unilateral renal agenesia associated with partial epididymis and vas deferens agenesia in a patient with abdominal testicle

Epididymal head abnormalities in obstructive azoospermia

Longitudinal US images of epididymal body abnormalities in obstructive azoospermia

Longitudinal US images of epididymal body abnormalities in obstructive azoospermia