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Rare diseases · Sign or symptom

Abnormality of the parathyroid gland

HP:0000828

What it means

An abnormality of the parathyroid gland.

There are four parathyroid glands, which are small endocrine glands located in the neck behind the thyroid gland that produce parathyroid hormone.

Rare diseases that can present with this6

Common30–79%

1

Rare1–4%

1

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category

Abnormality of the endocrine system

Also called: Parathyroid disease

Abnormality of the parathyroid gland

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This page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.