These results do not support the current practice of using antenatal bowel dilatation as a prognostic indicator.

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Amelanotic/hypomelanotic variant of cellular blue naevus (CBN) can present a challenge for the clinician and histopathologist. We report a case of amelanotic/hypomelanotic variant of CBN that presented as a painless scrotal swelling in a child. We review the literature on amelanotic/hypomelanotic CBN, the key histological features and important differential diagnoses.

We present a case of a male infant with right renal agenesis associated with an ipsilateral cystic abnormality of the seminal vesicle, also known as Zinner's syndrome. The infant presented with renal agenesis antenatally at the 20-week gestation anomaly scan, with the cystic seminal vesicle being identified postnatally. We suggest, therefore, that the absent kidney in Zinner's syndrome is a true congenital abnormality rather than a postnatal involution of a dysplastic kidney as has been previously argued by some [1]. The cystic seminal vesicle in our case was successfully treated with minimally invasive surgery in infancy, thus preventing the various morbidities with which this syndrome more usually presents in adulthood.