Complement is increasingly being recognized as an important driver of human disease, including many hemolytic anemias. Paroxysmal nocturnal hemoglobinuria (PNH) cells are susceptible to hemolysis because of a loss of the complement regulatory proteins CD59 and CD55. Patients with atypical hemolytic uremic syndrome (aHUS) develop a thrombotic microangiopathy (TMA) that in most cases is attributa...

Necrotizing arteritis with giant cells, involving the aorta, pulmonary and coronary arteries, and coronary, splenic, and renal arterioles was found at necropsy in a 74-year-old male who had died with severe haemolytic anaemia associated with cold haemagglutinins. The clinical and pathological features of this case are shared by well-recognized forms of necrotizing angiitis, in particular giant ...

T HE COLD AGGLUTININ SYNDROME (C.A.S.) is characterized by high-titre cold agglutinins, a hemolytic anemia, Raynaud phenomena in the cold, various degrees of hemoglobinuria, and sometimes gangrene. Because of the hemolysis, the syndrome is most often classified as an autoimmune hemolytic anemia. However, treatment with ACTH, corticosteroids or splenectomy, most often used in this condition, has...

conclusions respiratory disease, musculoskeletal pain, headache, and digestion problems were among the most important reasons of patients' referral to physicians in times of hajj. the mentioned complications could be prevented through correct trainings and conforming to health recommendations in times of hajj. results in general, medical data of 107074 cases had been registered in this software...