One way to help organize your thoughts on the differential diagnosis of hypoglycemia is to consider tumors vs. non-neoplastic reasons for the chemical imbalance. Here is a non-exhaustive list.
Non-neoplastic causes of hypoglycemia include:
• Liver insufficiency (shunt)
• Liver failure (cirrhosis)
• Idiopathic (neonatal, juvenile, hunting dog)
• Lab error
• Iatrogenic (insulin OD)
Tumors causing hypoglycemia include:
• Hepatocellular carcinoma
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