Shiori Watabe, Yoshinao Kikuchi, Toru Motoi, Asako Yamamoto, Jungo Imanishi, Toru Tokizaki, Kenji Sato, Junji Mukaiyama, Shuhei Minami, Tsuyoshi Ishida, Hirotaka Kawano, Hiroshi Uozaki
INTRODUCTION: Chondromyxoid fibroma (CMF) is a rare, benign bone tumor that occurs predominantly in the second and third decades of life, more frequently in males. Overexpression of GRM1 as a consequence of tumor specific gene rearrangement of GRM1 has recently been reported as a useful immunohistochemical marker for histopathological diagnosis of CMF. However, the usefulness of GRM1 staining of cytology specimens has not yet been evaluated. In this report, the cytological findings and GRM1 immunocytochemistry of two cases of CMF are described...
January 27, 2024: Acta Cytologica