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…
Applied anatomy of Anatomical Snuff Box
Synonyms: Radial fossa, Foveola radialis Note: Depression in the humerus which receives the head of radius is also named as Radial fossa Definition: It is a triangular shaped depression in the radial or lateral aspect of the dorsum of the hand which is seen when the thumb is extended fully….
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…
A Case of Neuroleptic Malignant Syndrome: A Quick Approach
A 15 year girl started complaining of strange feelings 3 weeks back. She started behaving weirdly and complained her mother that she could hear inanimate objects talking to her- like bangles, rings, glasses. She rapidly had a deterioration with change in personality. She starting acting bizarre and doing abnormal things….
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…
Clinical Skills and Approaches 
Cyanosis
Synonyms: Morbus coeruleus, Blue disease Definition of Cyanosis Cyanosis is the bluish discoloration of the skin, mucous membrane and nail bed usually owing to atleast 5 gm/dl of reduced hemoglobin/deoxyhemoglobin or abnormal hemoglobin derivatives (eg. methemoglobin, sulfhemoglobin, etc.) circulating within the superficial dermal capillaries and subpapillary venous plexus (not, as commonly taught, the…
X-ray of Mastoids
While we have more sophisticated radiological techniques of examination of the mastoids, the ability to read an X-ray of mastoid is a must for the undergraduate students of the medicine. While describing an X-ray in ENT or Otorhinolaryngology, you need to comment on these points: Plain or Contrast Regions: Mastoid,…