Gallbladder cancer (GBC) is an uncommon disease in the majority of the world despite being the most common and aggressive malignancy of the biliary tree. Early diagnosis is essential for improved prognosis; however, indolent and nonspecific clinical presentations with a paucity of pathognomonic/predictive radiological features often preclude accurate identification of GBC at an early stage. As ...

background von hippel-lindau (vhl) disease is a hereditary, autosomal dominant syndrome which is manifested by a range of different benign and malignant tumors. this disease can present with different clinical presentations such as; retinal angioma (ra), hemangioblastoma (hb) of the central nervous system (cns), pheochromocytoma (pheo), and epididymal cystadenoma. tumors are usually accompanied...

â  background hirschsprung’s disease (hd) is a congenital disease in which intesâ­tinal ganglionic cells are absent, leading to intestinal obstruction. the disease has various clinical manifestations and different lengths of bowel may be involved. our aim was to study hirschsprung’s clinical presentations and its rate of intestinal involvement in hospitalized patients in a six year course s...