Lagerhans Cell Histiocytosis Mimicking Plasma Cell Neoplasm
2 min readJun 18, 2022
Lessons From the Friday Unknowns
The specimen consists of multiple fragments of bone marrow and clotted blood.
Within some of the fragments, sheets of atypical histiocytoid cells are noted, of intermediate to large size with round to irregular/twisted nuclear contours and prominent nucleolus and slightly…