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High Grade Lymphomas Burkitt lymphoma, medium magnification. Note the "starry sky" pattern formed by the light-colored histiocytes against the dark lymphoma cells. Although not well seen here, the lymphoma cells often have a "tiled" appearance because a moderate amount of basophilic cytoplasm, which may retract during fixation, keeps them slightly apart Burkitt lymphoma, high magnification. Most nuclei have 1 or 2 prominent nucleoli. Note the "tingible body" macrophage at the left with debris in its cytoplasm. Lymphoblastic lymphoma, medium magnification. Although there is a suggestion of a starry sky pattern, it is less prominent than in small non-cleaved cell lymphoma. Lymphoblastic lymphoma, high magnification. The chromatin is relatively fine, the nucleoli inconspicuous. Table of Contents