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[Leiomyosarcoma associated hypoglycemia--report of two cases]
1Department of Internal Medicine, Chang Gung Memorial Hospital, Taipei, Taiwan, R.O.C.
Changgeng Yi Xue Za Zhi
|September 1, 1990
Summary
Leiomyosarcoma, a type of soft tissue sarcoma, can cause hypoglycemia (low blood sugar) in paraneoplastic syndromes. Treatment focuses on managing the tumor and blood glucose levels, though relapse is common.
Area of Science:
- Oncology
- Endocrinology
- Pathology
Background:
- Paraneoplastic syndromes occur when cancer triggers systemic effects.
- Hypoglycemia associated with non-islet cell tumors is a rare endocrinologic manifestation.
- Sarcomas, particularly large ones, are frequently implicated in this syndrome.
Observation:
- Two cases of leiomyosarcoma presenting with hypoglycemia are detailed.
- Case 1: A large thigh tumor with liver metastases caused fasting hypoglycemia, improving with chemotherapy but relapsing.
- Case 2: A large small intestine tumor led to recurrent hypoglycemia post-surgery and chemotherapy.
Findings:
- Both cases exhibited fasting hypoglycemia, not postprandial.
- Tumor size correlated with the onset of hypoglycemia.
- Chemotherapy and surgery provided temporary relief, but tumor recurrence was associated with hypoglycemia relapse.
Implications:
- Early recognition of hypoglycemia in patients with large sarcomas is crucial for timely diagnosis and management.
- Effective treatment requires addressing both the tumor and the metabolic derangement.
- The paraneoplastic nature of hypoglycemia in sarcoma necessitates a multidisciplinary approach and vigilance for recurrence.