HTHSCI 1DT3 Lecture Notes - Lecture 9: Thyroglossal Cyst, Thyroglossal Duct, Stellate Ganglion
26 Dec 2020
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Document Summary
Developmental inclusion of epidermis along lines of skin fusion. Path of thyroid descent from base of tongue. Can be located anywhere between foramen caecum and the thyroid. Usually just inferior to the hyoid: subhyoid. Fluctuant lump that moves up c tongue protrusion. Sistrunk"s op: excision of cyst and thyroglossal duct. Radial pulse on abduction and external rotation of arm. Compresses lower trunk of brachial plexus, t1 nerve root or stellate ganglion. Herniation of pharyngeal mucosa through its muscular coat at its weakest point. Between thyro- and crico-pharyngeal muscles that form the inferior constrictor. Food debris pouch expansion oesophageal compression dysphagia. Congenital multiloculated lymphangioma arising from the jugular lymph sac. Lower part of post. triangle but may extend to axilla. Appear soon after injury and regress spontaneously. Appear months after injury and continue to grow. Revision of scar c closure by direct suturing. Face and scalp for infection or neoplasm. Radionucleotide (tc or i) scan (hot vs. cold)
