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The first case of paraneoplastic pemphigus positive for IgG autoantibodies against integrin α6.
An Bras Dermatol
January 2025
School of Public Health and Laboratory Medicine, Hunan University of Medicine, Huaihua, China; Department of Laboratory Medicine, Chronic Disease Research Center, Medical College, Dalian University, Dalian, China. Electronic address:
Persistent Thrombocytopenia of an Unexplained Cause in a Patient With Metastatic Renal Cell Carcinoma: A Case Report.
Cureus
December 2024
Surgical Oncology, Mahamana Pandit Madan Mohan Malaviya Cancer Centre, Homi Bhabha Cancer Hospital, Tata Memorial Centre, Varanasi, IND.
Thrombocytopenia is a common complication in patients with solid tumors, particularly renal cell carcinoma (RCC), arising from mechanisms such as chemotherapy, direct tumor invasion, and paraneoplastic syndromes. Managing thrombocytopenia in advanced cancer presents significant challenges, often limiting therapeutic options and impacting patient outcomes. This case report describes a 62-year-old man with metastatic RCC complicated by persistent thrombocytopenia, unresponsive to both conventional treatments and novel therapies.
View Article and Find Full Text PDFRecurrent Hypoglycemia in a Patient with Advanced Hepatocellular Carcinoma.
J Community Hosp Intern Med Perspect
November 2024
Kaiser Permanente Hospital, California, USA.
Background: Nonislet cell tumor hypoglycemia (NICTH) is a rare but serious complication of malignancy. Various causes of this type of hypoglycemia include excessive tumor burden resulting in destruction of the liver or adrenal glands, production of autoantibodies against insulin and tumoral production of incompletely processed IGF-2.
Objectives: Objective of this case report is to explore pathogenic mechanisms for hypoglycemia in hepatocellular carcinoma (HCC), and evidence-based treatment options.
A Rare Case of Anti-Caspr2 Autoimmune Encephalitis Associated with a Testicular Mixed Germ Cell Tumor.
J Community Hosp Intern Med Perspect
November 2024
Department of Internal Medicine, HCA Healthcare, MountainView Hospital, 2880 N Tenaya Way, 89128, Las Vegas, NV, USA.
Paraneoplastic limbic encephalitis (PLE) is a poorly understood condition, thought to be caused by the cross-reacting of tumor antibodies with neurons in the brain, resulting in neuropsychiatric sequelae, such as personality and behavioral changes, psychosis, memory loss, and seizures. Anti-contactin-associated protein-like 2 (CASPR2) antibodies can cause PLE in patients with particular tumors, which in most cases can be identified as thymoma, lung cancer, or endometrial cancer. Some case reports show rare instances with other tumors, such as throat or sigmoid carcinoma.
View Article and Find Full Text PDFSmall cell carcinoma of the ovary, hypercalcaemic type causing an acute kidney injury.
BMJ Case Rep
January 2025
Gynaecological Oncology, GRACE Centre, Somerset NHS Foundation Trust, Taunton, UK
SummaryWe report a case of small cell carcinoma of the ovary, hypercalcaemic type, a rare and aggressive form of ovarian cancer, causing an acute kidney injury. A woman in her mid-30s presented with a large pelvic mass and abdominal distention, this was associated with rapidly deteriorating renal function, which did not improve with standardised kidney injury treatment. There was a high suspicion of ovarian cancer.
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