Which condition is associated with a high level of S-type amylase?

S-type amylase is particularly associated with salivary gland function, and its elevated levels are most commonly linked to conditions affecting the salivary glands, such as mumps. Mumps is a viral infection that can lead to the inflammation of the parotid glands, resulting in increased secretion of S-type amylase, which is produced by these glands.

In contrast, pneumonia, diabetes, and cholecystitis do not typically lead to increased levels of S-type amylase. In these conditions, other types of amylases or enzymes may be elevated, specifically those related to pancreatic function or other metabolic changes, but they are not primarily tied to the inflammation or dysfunction of the salivary glands like mumps is. Therefore, the association of elevated S-type amylase levels with mumps is well-established in clinical biochemistry and helps in differentiating it from other potential health issues.