Publications by authors named "Nader M Osman"

A transverse vaginal septum is a horizontal wall of tissue that has formed during embryologic development and essentially creates a blockage of the vagina. It can occur at different levels of the vagina. We report a neonate who was diagnosed antenatally with an enlarged lower abdominal mass suggestive of an enlarged urinary bladder with hydronephrosis and hydroureter.

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Bartter syndrome is a rare inherited defect in the thick ascending limb of the loop of Henle. It is characterized by low potassium levels (hypokalaemia), increased blood pH (alkalosis) and normal to low blood pressure. There are three types of Bartter syndrome: neonatal, the classic type and Gitelman syndrome.

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Kasabach-Merritt syndrome is characterised by the combination of rapidly growing vascular tumour, thrombocytopenia, microangiopathic haemolytic anaemia and consumptive coagulopathy. The blood clotting disorder results from platelets and other clotting factors of the blood being used up within the tumor. We report a two- and- half month old Saudi female infant who presented with epistaxis, conjunctival haemorrage and bilateral periorbital ecchymosis.

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Craniopagus conjoined twins represent a rare phenom- enon of congenital malformation/ dysmorphism. The clinical pathology of this complex entity is reviewed and placed in perspective. Confusion surrounds the severity of craniopagus conjoined twins especially in relation to the difficulty of separation and subsequent outcome.

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Kawasaki disease (mucocutaneous lymph node syndrome) is a disease of unknown etiology characterized by vasculitis which may affect the coronary arteries. Young children are most commonly affected although the disease has been described in adults. Kawasaki disease (KD) was first described by Dr Tomisaku Kawasaki in 1967.

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