May–Grünwald stain is used for the staining of slides obtained by fine-needle aspiration in a histopathology lab for the diagnosis of tumorous cells.[2][3]
Sometimes, it is combined with Giemsa staining, yielding Pappenheim staining (May-Grünwald-Giemsa staining).[4]
References
^Sakurai, Y., Toriumi, N., Sarashina, T. et al. An infantile case of hereditary folate malabsorption with sudden development of pulmonary hemorrhage: a case report. J Med Case Reports 16, 268 (2022). https://doi.org/10.1186/s13256-022-03448-x