Question:
Parathyroid autoimplantation takes place in which of the muscle?
Parathyroid autoimplantation takes place in which of the muscle?
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Think of the forearm muscle used as a host for parathyroid autograft.
Updated On: Jun 23, 2026
- Biceps
- Triceps
- Brachioradialis
- Sartorius
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The Correct Option is C
Solution and Explanation
Step 1: Total parathyroidectomy removes all four parathyroid glands from the neck. To avoid permanent hypoparathyroidism, a small amount of parathyroid tissue is autografted (reimplanted) into a muscle pocket.
Step 2: The morcellated parathyroid tissue is placed into a pocket created in the brachioradialis muscle of the forearm. This site is chosen because it is easily accessible, well vascularised, and any future graft hyperfunction can be removed under local anaesthesia.
Step 3: Hence the correct answer is the brachioradialis. Biceps, triceps and sartorius are not the standard reimplantation sites, so they are wrong.
Step 2: The morcellated parathyroid tissue is placed into a pocket created in the brachioradialis muscle of the forearm. This site is chosen because it is easily accessible, well vascularised, and any future graft hyperfunction can be removed under local anaesthesia.
Step 3: Hence the correct answer is the brachioradialis. Biceps, triceps and sartorius are not the standard reimplantation sites, so they are wrong.
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