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Malignant lymphoma non Hodgkin type

Malignant lymphoma non Hodgkin type

Malignant lymphoma non Hodgkin type     Normal structure of the lymph node is effaced by a diffuse monotonous proliferation of atypical lymphoid cells which occupy the sinuses with no lymphoid follicle formations. Hyperchromatic ...
Chronic myelogenous leukemia in liver

Chronic myelogenous leukemia in liver

Chronic myelogenous leukemia in liver Liver is involved in extramedullary neoplastic hemopoiesis .   It’s normal structure is obscured by leukemic infiltrates, which engages diffusely the sinusoides (as ‘flows’ of small hyperchromic...
Liver in chronic myelogenous leukemia

Liver in chronic myelogenous leukemia

Liver in chronic myelogenous leukemia   Liver is involved in extramedullary neoplastic hemopoiesis . It’s normal structure is obscured by leukemic infiltrates, which engages diffusely the sinusoides (as ‘flows’ of small hyperchromic...
Chronic lymphogenic leukemia in liver

Chronic lymphogenic leukemia in liver

Chronic lymphogenic leukemia in liver     Unaffected liver lobules with lavish ‘round’ cell infiltrates , located  perivasally (around ramifications of  a. hepatica and v. portae) in portal spaces . At higher magnification,...
Undifferentiated small cell carcinoma of the lung

Undifferentiated small cell carcinoma of the lung

Undifferentiated small cell carcinoma of the lung   Undifferentiated small cell carcinoma of the lungs is highly aggressive tumor with neuro-endocrine activity. It is built by lymphocytic-like cells with scant cytoplasm or spindle...
Squamos carcinoma of the lung

Squamous cancer of the lung

Squamous cancer of the lung   Sguamous carcinoma of the lung occurs after squamous metaplasia of cylindrical bronchial epithelium ( smoking, chronic bronchitis). Tumor sprouts as anastomosing strands and nests. At the periphery, are...

Neuroma of n.state acusticus

Neuroma of n.state acusticus   The specimen represents a basal surface of the brain. In the left ponto-cerebellar angle is clearly visible a distinct tumor nodule, the size of ‘tangerine’, slightly uneven surface, grayish pink...

Meningioma pathology

Meningioma pathology   Specimen including the brain and the brain dura. Round nodular encapsulated grayish tumor formation is attached to the dura. In the underlying cortex, in the area adjacent to the tumor is apparent an area from...
Glioma

Glioma pathology

Glioma pathology   The surface of the right brain hemisphere shows solid tumor formation measuring 4,5-6 cm. It is gray and firm and is not invading the surrounding brain tissue. The two hemispheres look asymmetrical. The tumour has...
Breast cancer

Breast cancer pathology

Breast cancer pathology   Sagital cut section of breast deformed by a solid formation with irregular contours, radiantly infiltrating the surrounding tissues (skin and fat). The cut surface is off-white, dry, slightly depressed and...