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Hypoglycemic coma associated with benign pleural mesothelioma
The Journal of Thoracic and Cardiovascular Surgery
|February 1, 1975
Summary
A rare case links benign pleural mesothelioma to hypoglycemic coma. The tumor likely caused hypoglycemia by releasing substances that inhibited glucose production and fat breakdown, despite suppressed insulin levels.
Area of Science:
- Oncology
- Endocrinology
- Metabolic Disorders
Background:
- Describes a rare co-occurrence of benign pleural mesothelioma and unexplained hypoglycemia.
- Highlights the diagnostic challenge in differentiating paraneoplastic syndromes.
Observation:
- A patient presented with hypoglycemic coma and a confirmed benign pleural mesothelioma.
- Serum insulin levels were suppressed, ruling out insulinoma.
- Tumor tissue analysis did not detect insulin.
Findings:
- Hypoglycemia was attributed to tumor-secreted L-tryptophan metabolites inhibiting hepatic gluconeogenesis and lipolysis.
- Nonsuppressible insulin-like activity (NSILA-s) was also considered as a potential contributing factor.
- Tumor-induced metabolic alterations were the primary drivers of the hypoglycemic state.
Implications:
- Suggests that benign tumors can precipitate severe metabolic disturbances.
- Underscores the importance of investigating paraneoplastic syndromes in unexplained hypoglycemia.
- Provides insights into novel mechanisms of tumor-induced hypoglycemia beyond insulin secretion.