RESUMEN
Rosai-Dorfman disease [RDD] is a benign lymphoproliferatif disorder characterized by cervical lymphadenopathies with a consistent risk of airways' compression and esthetical prejudice. Extra nodal localizations are also described. To report two pediatric cases of RDD. The first case concerned a patient with a prolonged nodal involvement of RDD. Remission seems to be natural although it coincided with a sulfamthoxazole- trimthoprime therapy. The second case illustrated an extranodal form of RDD localized in soft tissue and paranasal sinus with extension to nasal cavity which were corticodependant. RDD is usually a benign disorder. Particular localizations, lack of effective therapy and the high risk of recurrence are important issues in this rare affection
RESUMEN
Rupture of hydatid cyst in the digestif tract is a rare complication even in endemic areas. Authors report a case of a hydatid cyst of the left hepatic lobe ruptured in the duodenum. Was discovered at the occasion of epigastric pain and vomiting. Ct-scan revealed presence of air in a calcified hydatid cyst of the left liver lobe and a fistulous tract between the cyst and the duodenum. Endoscopy confirmed the diagnosis by the visualisation of a fistulous orifice of the anterior aspect of the first duodenum with a protrusion of hydatid membrane. Patient was treated surgically and had a partial cysto-pericystectomy and Suture of duodenum