OBSOLETE: Peripheral hypothyroidism

Peripheral hypothyroidism is a term that was previously used to describe a condition where the thyroid hormones produced by the thyroid gland do not work properly in the body's tissues, even though the thyroid gland itself may be functioning normally. This is different from the more common forms of hypothyroidism, where the thyroid gland does not produce enough hormones. In peripheral hypothyroidism, the problem lies in how the body's cells respond to or process thyroid hormones after they are released into the bloodstream. This can involve problems with thyroid hormone transport in the blood, issues with how cells take up the hormones, or defects in the receptors inside cells that thyroid hormones need to bind to in order to work. Please note that this disease entry has been marked as OBSOLETE in the Orphanet classification system, meaning it has been retired or reclassified. The conditions previously grouped under this term are now more precisely categorized into specific diagnoses such as thyroid hormone resistance syndromes (including resistance to thyroid hormone beta and alpha), thyroid hormone metabolism defects, and thyroid hormone transport defects. Symptoms can resemble those of hypothyroidism — such as fatigue, weight gain, cold intolerance, constipation, and slowed growth in children — but blood test results may look unusual compared to typical hypothyroidism. Treatment depends on the specific underlying cause and may include thyroid hormone supplementation or other targeted therapies.

Bring these to your next appointment

• Q1.What specific type of peripheral hypothyroidism or thyroid hormone resistance do I or my child have?,Is genetic testing recommended, and which genes should be tested?,Will standard thyroid hormone replacement medication work for this condition?,What specialists should be part of our care team?,Are there any clinical trials or newer treatments available for this specific condition?,How will this condition affect growth, development, and long-term health?,Should other family members be tested for this condition?

Common questions about OBSOLETE: Peripheral hypothyroidism