[Extranodal lymphomas of the gastrointestinal tract. Retrospective study of a six year period].

Introduction: We present a six year study (from 1998-2003 year) concerning Non-Hodgkin's lymphomas originating from the gastrointestinal tract according to the classification of WHO (1997).

Results: For the mentioned period in the University Hospital "Sveti Georgi" are diagnosed 22 cases of extranodal Non-Hodgkin's lymphomas of the gastrointestinal tract; 9 (40.9%) of them originated from lymph nodes of Valdier, 1 (4.

[Carcinoid tumors of the gastrointestinal tract--frequency, organ localization, clinical course, treatment (a presentation of 10 cases)].

Carcinoid tumors originate from the argentofile cells found at the bottom of the crypt of Lieberkuhn. In spite of their slow growth and comparatively better prognosis, the carcinoid are malignant tumors, which effective treatment is their surgical resection. We present 10 patients with carcinoid of the gastrointestinal tract (GIT)--3 from small intestine, 3 from large intestine, 2 from appendix, I from rectum and 1 from stomach, operated at our clinic for a 6 year period of time.

[Hepatoid adenocarcinoma of the lung: a case report].

A case of a 71-year-old man with dyspnea attacks, weight loss and astheno-adynamia syndrome is presented. A 7.7 x 6.

[The hemolytic-uremic syndrome during contraceptive prevention with Rigevidon].

A case of a 20-year-old woman who developed a hemolytic-uremic syndrome while using the contraceptive drug Rigevidon is reported. Clinically the disease was manifested by acute renal failure, thrombocytopenic purpura and hemolytic anemia. The treatment with antiaggregants, anticoagulants, hemodialysis and plasmapheresis was without effect.

[Primary tumors of the central nervous system from material of the Department of Pathological Anatomy--Plovdiv, 1975-1984].

8136 deceased at the clinics of the Higher Medical Institute "I. P. Pavlov" for the period of 1975-1984 are studied.