case_images: PMC6607299_01
case_images: computed Tomography (CT) of the abdomen and pelvis showing osteosclerosis of pelvic bones
case_images: PAMJ-32-169-g001.jpg
case_images: PMC6607299_01_PAMJ-32-169-g001.jpg
case_images: f0001
case_images: CT abdomen did not reveal any abnormalities of the liver, however it did show diffuse sclerosis of the pelvis (Figure 1).
case_images: A) paratrabecular mast cell inifltrates occupying the bone marrow; B) neoplastic spindle cell infiltrate in the bone marrow; C) positive staining to tryptase confirming mast cell lineage; D) positive staining to CD 25 consistent with neoplastic mast cells
case_images: PAMJ-32-169-g002.jpg
case_images: PMC6607299_01_PAMJ-32-169-g002.jpg
case_images: f0002
case_images: Immunohistochemical staining was positive for tryptase and CD25 (Figure 2).