ArticleMolecular and clinical oncology2025
Bone marrow metastasis of ovarian cancer: A two‑center retrospective study and literature review.
Article in Molecular and clinical oncology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Bone marrow metastasis (BMM) causes pancytopenia and disseminated intravascular coagulation (DIC), resulting in rapid mortality. The incidence of this disease is likely underestimated, with confirmed BMM occurring at approximately twice the rates expected clinically. The present study describes two detailed cases and includes a literature review of BMM caused by ovarian cancer. The existing medical records of patients admitted to Oita University Hospital (Yufu, Japan) and Saitama Medical University International Medical Center (Hidaka, Japan) were retrospectively analyzed and a literature review regarding BMM associated with ovarian cancer was conducted. The literature review of BMM of ovarian cancer, including the present cases, revealed that patient ages ranged between 37 and 71 years, with tumor histology described in 5 out of 8 cases. Notably, 3 previous cases involved rare histological types (small cell carcinoma, carcinosarcoma and mucinous carcinoid), whereas the present identified cases involved common types. The first case involved a patient who developed isolated BMM/carcinomatosis during maintenance therapy with olaparib for recurrent high-grade ovarian serous carcinoma. The patient initially presented with elevated cancer antigen 125 levels and decreased blood counts. Following the onset of BMM, the patient's lactate dehydrogenase level was elevated to 2,712 U/l. The second patient was diagnosed with BMM/carcinomatosis, concurrent with an initial diagnosis of ovarian clear cell carcinoma. Both patients subsequently developed pancytopenia and DIC, resulting in mortality. To the best of our knowledge, the present study is the first retrospective study of BMM of ovarian cancer. For early diagnosis, BMM should be considered in the differential diagnosis when a reduction in blood counts is accompanied by an elevation in serum tumor markers, regardless of histological type.
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