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http://dx.doi.org/10.1212/NXI.0000000000000735 | DOI Listing |
Pathol Res Pract
January 2025
Department of Pathology, Air Force Medical Center, PLA, Beijing, PR China. Electronic address:
Background: Anaplastic lymphoma kinase (ALK)-rearranged renal cell carcinoma (ALK-RCC) is a rare molecularly defined tumor entity included in the fifth edition of the World Health Organization Classification of Tumors. It is characterized by rearrangement of the ALK gene with various fusion partner genes, which most commonly results in oncogenic fusion proteins leading to ALK activation.
Case Presentation: A 30-year-old Chinese man underwent partial nephrectomy for a left renal tumor measuring 5 cm in diameter.
Turk Arch Pediatr
January 2025
Department of Pediatric Haematology, Gazi University School of Medicine, Ankara, Türkiye.
Background: Lung cancer continues to be the primary cause of cancer-related deaths globally, with the majority of cases identified at advanced stages. Genetic alterations, including mutations and gene fusions, are central to its molecular pathogenesis. The discovery of therapeutically targetable gene fusions, such as ALK, RET, ROS1, and NTRK1, has significantly advanced lung cancer management.
View Article and Find Full Text PDFDiagn Pathol
January 2025
Laboratoire Hospitalier Universitaire de Bruxelles - Universitair Laboratorium Brussel, Université Libre de Bruxelles LHUB-ULB, Brussels, Belgium.
Background: Synchronous malignant histiocytoses are rare conditions that occur concurrently with another hematologic neoplasm. Most reported cases are associated with B-cell lymphoproliferative disorders, while associations with T-cell hemopathies are less common. These two diseases may share mutations and/or cytogenetic anomalies, which can lead to malignant proliferations.
View Article and Find Full Text PDFHematol Oncol
January 2025
Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy.
Anaplastic lymphoma kinase positive (ALK+) anaplastic large cell lymphoma (ALCL) typically affects young individuals and, despite high responsiveness to cytotoxic drugs, relapses occur in over 50% of patients. Crizotinib has improved outcomes, but its management in patients desiring parenthood remains an issue. This study presents the first description of four successful pregnancies during crizotinib treatment for ALK+ALCL: a female patient achieving two pregnancies through assisted reproductive technologies (ART), temporarily discontinuing crizotinib and maintaining a complete remission (CR), and a male patient conceiving naturally while on continuous therapy.
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