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Report of Multidisciplinary Treatment for Sisters with Li-Fraumeni Syndrome
Ist Teil von
Gan to kagaku ryoho, 2022-12, Vol.49 (13), p.1947
Ort / Verlag
Japan
Erscheinungsjahr
2022
Link zum Volltext
Beschreibungen/Notizen
Li-Fraumeni syndrome(LFS)is a hereditary cancer disorder caused by germline variant in TP53 and characterized by various malignancies. Multidisciplinary treatment is needed for tumors of LFS, however, radiation therapy is a relative contraindication because of frequent development of secondary malignancy such as sarcoma in the irradiated field. Case 1: A 22- year-old woman who was diagnosed with LFS by genetic test when she developed upper rectal cancer. Her rectal tumor with marked bilateral lateral lymph node dissection was successfully removed by low anterior resection with extensive lateral lymph node dissection. She underwent resection for ovarian metastasis followed by chemotherapy and radiotherapy but subsequently died by the disease 32 months postoperatively. Case 2(elder sister of Case 1): A brain tumor was identified in the left high frontal lobe to the parietal lobe because of consciousness disorder, after the genetic diagnosis of LFS. The brain tumor was successfully resected. Histological examination revealed diffuse astrocytoma(WHO grade Ⅱ). Local recurrence was observed 46 months later, and radiation therapy was performed. Six months have passed since radiation therapy, no exacerbation of local recurrence has been observed.