Wataru Nakahara, Takahito Ogawa, Hitomi Matsunaga, Yuki Iwasa, Momoka Horita, Mako Ikeda, Mizuki Asako, Sadaharu Iio, Yuki Iwama, Kazumasa Oka, Shuji Ueda
IgE plasma cell neoplasm is the rarest subtype of plasma cell neoplasms and is known for its poor prognosis and high incidence of t(11;14). However, t(11;14) has been classified as a standard-risk rather than high-risk cytogenetic abnormality in multiple myeloma. We have been unable to explain the discrepancy that the hallmark of IgE plasma cell neoplasm with a poor prognosis is a standard-risk cytogenetic abnormality. Here, we report a case of IgE primary plasma cell leukemia with extramedullary lesions of the liver, stomach, and lymph nodes...
2023: Case Reports in Hematology