Editor,- The increase in antenatal diagnoses of Down's syndrome suggests a more widespread use of biochemical screening.

Nevertheless, the combination of several tests can lead to a diagnosis of Sjögren's syndrome.

Instead, it may be labeled as one of its symptoms, and lead to the eventual diagnosis of Gerstmann's syndrome.

But years later he received a diagnosis of Asperger's syndrome, which severely impairs his ability to relate to others.

The patient had never had psychiatric problems or previous admissions for the same symptoms, making the diagnosis of Mu nchausen's syndrome unlikely.

The diagnosis of primary Sjögren's syndrome is based on several factors, including:

Biopsy of the inner lip (performed in some cases to prove the diagnosis of primary Sjögren's syndrome).

Tumors under 3 cm are generally considered benign and are only treated if there are grounds for a diagnosis of Cushing's syndrome or pheochromocytoma.

Apraclonidine may be useful in the diagnosis of Horner's syndrome.

In all these patients, the biopsy confirmed the diagnosis of Sjögren's syndrome.