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The Authors describe a case of congenital diverticulum of hypopharynx in a newborn. The lesion, early recognised, is successfull treated with surgical removal by a transcervical approach. The revision of the literature confirms the extreme rarity of this affection in the newborn and the correlated mortality if not early diagnosed and then confused with an atresia of the oesophagus it often simulates whose symptomatology.

Two rare cases of cervico-urethral obstructive lesions are described, illustrating two typical examples of the twofold pathogenic possibilities of the affection. The first patient had a probably congenital cervico-trigonal cyst due to a ureteral bud in the bladder wall. The second case presented different symptoms and signs, and this together with histology findings suggested an acquired nature of the lesion from cystic transformation of an infected glandular structure. The published literature is reviewed and diagnostic difficulties are emphasized, particularly differentiation from a prostate median lobe lesion.