Xanthogranulomatous pyelonephritis in childhood: diagnosis difficulties and success of conservative treatment.

Background: Xanthogranulomatous pyelonephritis is an uncommon form of chronic pyelonephritis rarely seen in children. Preoperative diagnosis is difficult and management is still obscure.

Aim: The authors report on a focal pseudotumoral case and discuss therapeutic modalities.

Presternal giant epidermal cyst: 2 cases.

Background: Epidermal cysts are a common benign lesion, occurring often above the shoulder and within the face and the scalp. Presternal site and huge volume are quite rare, especially in children.

Aim: The authors report on two paediatric cases, discuss etiopathogenesis and diagnostic difficulties.

A stump appendicitis in a child: a case report.

Background: Stump appendicitis is a delayed complication of appendectomy. It is rare and few cases reported in the paediatric literature. The authors report on another case in a child and focus on the diagnostic peculiarities of this entity.