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In 2020, we reported on a case involving a 68-year-old male patient with a rare instance of pulmonary pleomorphic carcinoma exhibiting high PD-L1 expression. The patient experienced significant therapeutic success with the use of pembrolizumab, achieving partial tumor remission. Following the publication of that report, the patient continued on pembrolizumab at a dose of 200 mg/dl for 27 cycles, subsequently transitioning to a combination of pembrolizumab and bevacizumab for eight cycles. Due to elevated blood pressure, the regimen was adjusted back to monotherapy with pembrolizumab. As of July 9, 2024, the patient remains alive with a satisfactory quality of life. This follow-up report, coupled with a review of the literature from 2021 to 2024 on pulmonary pleomorphic carcinoma and its immunotherapeutic approaches, aims to present new insights and innovative strategies for treating this rare form of cancer.
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http://dx.doi.org/10.3389/fimmu.2024.1464900 | DOI Listing |
Medicine (Baltimore)
August 2025
Key Laboratory of Evidence Science, China University of Political Science and Law, Ministry of Education, Beijing, China.
Rationale: Large cell lung carcinoma (LCLC) is a rare undifferentiated malignant epithelial tumor of the lung. The diagnostic complexity of LCLC stems from its pronounced histological heterogeneity and diverse clinical presentation, particularly when extrapulmonary manifestations constitute the initial disease presentation, complicating early detection.
Patient Concerns: A 58-year-old smoker presented with acute-onset dizziness, lethargy, and communication difficulties lasting 1 day.
Genome Med
September 2025
School of Biomedical Engineering, Institute of Genomic Medicine, Wenzhou Medical University, Wenzhou, 325027, People's Republic of China.
Background: Accurate subtyping and risk stratification are imperative for prognostication and clinical decision-making in small cell lung cancer (SCLC). However, traditional molecular subtyping is resource-intensive and challenging to translate into clinical practice.
Methods: A total of 517 SCLC patients and their corresponding hematoxylin and eosin (H&E)-stained whole slide images (WSIs) from three independent medical institutions were analyzed.
Indian J Thorac Cardiovasc Surg
September 2025
Department of Pathology, Rajiv Gandhi Cancer Institute and Research Centre, New Delhi, 110085 India.
Pulmonary pleomorphic carcinoma (PPC) is a rare, highly aggressive variant of non-small cell lung cancer (NSCLC), comprising 0.1-0.4% of all pulmonary malignancies.
View Article and Find Full Text PDFHum Pathol
August 2025
Department of Pathology, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China. Electronic address:
Previous studies have confirmed that insulin-like growth factor 2 mRNA-binding protein 3 (IMP3) is widely expressed in various malignant tumors. However, no systematic study has assessed the expression of IMP3 in bone tumors. We immunohistochemically examined 1381 bone tumor specimens for IMP3 expression, analyzed its differential expression among various types of bone tumors, and evaluated its potential application in surgical pathology.
View Article and Find Full Text PDFAnn Med Surg (Lond)
July 2025
St. George's University School of Medicine, True Blue, Grenada.
Background: Spindle cell carcinoma is a sporadic sarcomatoid neoplasm in the lung and pleura, comprising only 0.3-1.3% of all malignant lung neoplasms.
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