Epidermal growth factor receptor (EGFR)-targeted therapy has become standard of care in advanced stages EGFR-mutant non-small cell lung cancer. Acquired resistance to first-line EGFR-tyrosine kinase inhibitor (TKI) and subsequent disease progression is a common problem and mostly due to a secondary mutation (T790M) in EGFR. We report a case of a patient with EGFR-mutated lung adenocarcinoma who developed a complex resistance profile: T790M mutation, HER2 mutation and HER2 amplification after first-line...
In locally advanced non-small cell lung cancer (NSCLC) patients, consolidation therapy with durvalumab (an anti-PD-L1 monoclonal antibody) has proven to significantly increase both progression free and overall survival after chemoradiotherapy. Here, we describe a case of acute pneumonitis during durvalumab administration for locally advanced NSCLC, causing persistent symptomatology and steroid treatment to date. To our knowledge, acute-onset pneumonitis during infusion of a PD-L1 inhibitor has not...
Small-cell lung cancer (SCLC) is highly sensitive to platinum-based chemotherapy. However, its indication in patients with a poor performance status (PS) at initial diagnosis is controversial. We retrospectively reviewed all clinical courses of pathologically diagnosed SCLC patients with poor PS, Eastern Cooperative Oncology Group PS 3 and 4. Among 18 patients, 12 were treated with chemotherapy and 6 with supportive care alone. During the chemotherapy courses, PS improved in 7 (58.3%, including the...
Introduction: Nivolumab has been introduced for metastatic renal cell carcinoma (mRCC) as a second-line therapy for years. However, despite widespread evidence of its utility, few reports have described the efficacy of nivolumab for mRCC patients on hemodialysis. Case Presentation: A 68-year-old man with a 20-year history of dialysis due to chronic glomerulotubular nephritis was referred to our department for bilateral renal tumors in 2015. In February 2015, contrast-enhanced CT revealed findings...
Granulocyte colony-stimulating factor (G-CSF)-producing bladder cancer is rare, with only 75 cases reported in Japan. A 67-year-old woman was referred to our institution for the further examination of gross hematuria. Cystoscopy revealed a 7-cm bladder tumor. The initial white blood cell count was 17,100/μL, and a transurethral resected specimen showed G-CSF expression. CT revealed that the tumor had invaded the colon. As the patient had uncontrollable schizophrenia, radical cystectomy was abandoned....
Diffuse Large B Cell Lymphoma (DLBCL) is a heterogeneous disease with a variety of chromosomal abnormalities contributing to differences in management. While it is known that Double Hit Lymphomas (DHL) warrant more aggressive chemotherapy regimens, debate remains on how to treat Double Expresser Lymphomas (DEL). We present a case of a DEL treated with an aggressive regimen of 2 alternating cycles of R-CODOX-M (rituximab, cyclophosphamide, doxorubicin, vincristine and methotrexate) and R-IVAC (rituximab,...
Dysgeusia is an adverse effect caused by enzalutamide said to affect 1–5% of patients. The reported management strategies include a temporary drug holiday, the prescription of herbal medicine, and changing the timing of enzalutamide intake from morning to before sleep at night. Case 1: A 72-year-old man developed castration-resistant prostate cancer (CRPC) and was administered enzalutamide. After six weeks of enzalutamide installation, he showed taste alternation, and consequently his dysgeusia increased...
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