Epistemis

Methenamine silver · Blood · open case 01

Histology · Blood

BM with large amount of monocytes and myeloid precursor such as promonocytes and cells with immature morphology featuring atypical nuclear anomalies, finely dispersed chromatin, small evident nucleoli and scant cytoplasm. Those cells are CD34 negative but express CD68KP1 and CD68RPGM1 (data not shown). The percentage of immature precursor through the entire BM biopsy has been estimated at about 15 - 20% of all hematopoietic cells. These findings were consistent with the diagnosis of chronic myelomonocytic leukemia- type2 (a). Insert b is a Gomori stain which shows a delicate bone marrow fibrosis, grade-1.
BM with large amount of monocytes and myeloid precursor such as promonocytes and cells with immature morphology featuring atypical nuclear anomalies, finely dispersed chromatin,…

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Category
Blood
Difficulty
advanced
Type
Applied histology
Mode
Methenamine silver
Stain
Methenamine silver

Origin: MultiCaRe · figure from open-access article PMC3647705 · License CC BY

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