Synonyms: Thyroglossal cyst, Thyrolingual cyst, Thyroglossal duct remnant, TGDC, TDC, TGDR Definition: Thyroglossal duct cyst is a congenital malformation that occurs due to incomplete closure of the thyroglossal duct which presents as a cystic midline neck swelling at birth. Thyroglossal fistulas are usually recognized by their external opening (typically located…
Tag: General Surgery
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Differential diagnoses of Neck Swellings
Triangles of Neck The following anatomic points define the anterior compartment/triangle of the neck: Contents: larynx, trachea, esophagus, thyroid and parathyroid glands, carotid sheath, and suprahyoid and infrahyoid strap muscles. Submandibular triangle: region contained in the anterior neck bordered by the inferior margin of the mandible and the digastric, stylohyoid, and mylohyoid muscles. This region contains…
Case Reports 
Basal Cell Adenoma of Parotid Gland: Case Report and Review of Literature
Bidhan Sigdel, Sulabh Shrestha, Amrit Devkota Fourth Year MBBS, KISTMCTH ABSTRACT Basal Cell Adenoma (BCA) accounts for 1-2% of salivary gland tumor .BCA is rare benign epitheloid neoplasm of salivary gland, which was first described and documented as distinct clinical and pathological entity by Kleinsasser and Klein in 1967 and…
Surgical landmarks for identification of facial nerve in Parotid surgery
The facial nerve (CN VII) exits the skull base through the stylomastoid foramen situated posterolaterally to the styloid process and anteromedially to the mastoid process and enters the parotid gland to divide it into a large superficial lobe and a small deep lobe. The main trunk of facial nerve enters…
Surgical Skills 
External Dacryocystorhinostomy (DCR)
Definition External Dacryocystorhinostomy (DCR) is the surgery to connect the mucosal surface of lacrimal sac to the nasal mucosa by removing the intervening bone. It creates a permanent anastomosis between the lacrimal sac and medial meatus of nose. Prerequisite Common canaliculi must be patent Indications of External Dacryocystorhinostomy Nasolacrimal duct…
Clinical Skills and Approaches 
Digital Clubbing
Synonyms: Hippocratic fingers, Acropachy, Dysacromelia, Drumstick fingers, Watch glass nails, Parrot beak fingers, Serpent head nails, Lovibond’s sign Definition Focal and bulbous enlargement of the distal phalanges due to proliferation of connective tissue between the fingernail and the bone with increase in both the longitudinal and transverse curvatures of the…
Clinical Skills and Approaches 
Edema – Physical Examination
Synonyms: Oedema, Swelling Definition of Edema Accumulation of excessive amount of fluid in the extravascular interstitial space of the body. Interstitial space is the extravascular compartment of the extracellular fluid and surrounds the cells of a given tissue. Anasarca is a severe and generalized edema with profound subcutaneous tissue swelling. Further…
Surgical Skills
Myringotomy and Tube Insertion
Synonyms: Of Myringotomy: Tympanotomy (Opening the middle ear cavity), Tympanostomy (Instillation of a ventillation tube), Myringocentesis Of Ventilation Tube (VT): Grommet, Pressure Equalization Tube, Ear tubes, Tympanostomy tubes Definition of Myringotomy Myringotomy is the incision on the tympanic membrane to remove accumulated fluid or to provide aeration in case of…