Pyramidal lobe

Pyramidal lobe is present in

A. Liver

B. Lungs

C. Thyroid

D. Brain

Pyramidal lobe is defined as a thyroid tissue remnant of embryological origin located in the pretracheal region between the isthmus and the

A. Cricoid cartilage

B. Thyroid cartilage

C. Arytenoid cartilages

D. Hyoid bone

Pyramidal lobe represents a persistent remnant of

A. Thymus

B. Isthmus

C. Tuberculum impar

D. Thyroglossal duct

Pyramidal lobe consists of

A. Fibrous tissue

B. Muscular tissue

C. Condensed deep fascia

D. Normal thyroid tissue

Pyramidal lobe

Conical pyramidal lobe often ascends from the isthmus or the adjacent part of either lobe (more often the left) toward the hyoid bone, to which it may be attached by a fibrous or fibromuscular band.

Levator glandulae thyroideae muscle

The fibrous band is called as – levator glandulae thyroideae muscle


Completeness of thyroidectomy may be compromised by an overlooked pyramidal lobe particularly when it is very thin.

Thyroid cancer

In case of thyroid cancer complete removal of all thyroid tissue is mandatory because leaving cancer cells would have severe consequences

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