[Cystic lymphangioma of the supraclavicular and right axillary fossae].

Five years ago, in a 34-year-old female patient a tumour developed in the right supraclavicular fossa which gradually increased in size. A few months ago she had noticed also a tumour in the axillary fossa on the same side. On physical examination, USG, and contrast X-ray it was found that it was a cyst of hour-glass shape (narrowing of retro-clavicular).

[Interleukin-2 in the treatment of malignant melanoma. A case report].

Interleukin-2 is a lymphokine with documented antineoplastic influence, with not completely understood mechanism of action. The case of 46-years old patient with relapsed metastatic malignant melanoma treated with constant-infusion of rIL-2 is described. 9-month remission was achieved.

Evaluation of immunity of sheep after splenectomy, splenic artery ligation and autotransplantation of splenic tissue.

The studies aiming at evaluation of immunity after splenectomy, splenic artery ligation, and autotransplantation of splenic tissue were performed in sheep. It was found that splenectomy alters both humoral and cellular immunity. The phagocytic activity of granulocytes, reduced level of IgG, drop in T and ARF cells as well as bone marrow stimulation were noted.

Morphology and function of liver after intravenous and intraportal injections of the immunomodulating agent Propionibacterium granulosum.

An immunomodulator, cell walls from Propionibacterium granulosum strain KP-45 (PG), has been applied in rabbits to test its influence on morphology and function of liver cells. For investigation of distribution in internal organs, the PG preparation was 51Cr-labelled and injected i.v.