Left frame: 1 Mature Lymphocyte and one Proerythroblast. The
lymphocyte is small, has a high nuclear/cytoplasm ratio, gray-blue cytoplasm and a smudgy chromatin pattern. The proerythroblast is medium-large in size with a high nuclear/cytoplasmic ratio, basophilic blue cytoplasm with a small colorless area adjacent to the nucleus where the Golgi, centrisome and mitochondria are located, and a semi dense uniformly distributed nuclear chromatin pattern. Nucleoli may be evident.
Center frame: One Plasma Cell (top) with an eccentrically located nucleus, blue-gray cytoplasm containing several vacuoles, and a semi dense nuclear chromatin showing randomly distributed less dense areas. The Basophilic Erythroblast beneath it has a cytoplasm of similar color but a very high nuclear/cytoplasm ratio, a centrally located nucleus with a chromatin pattern that is more evenly distributed as to dense and less dense aggregates.
Right frame: 2 Polychromatic NRBC and one Proerythroblast with features similar to the proerythroblast in the left frame.
Idiopathic thrombocytopenic purpura. Marrow - 100X
Image ID: 0148-005
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