1. DEFINITION Allergic rhinitis is a chronic inflammatory disorder of the nasal mucosa Caused by IgE-mediated type I hypersensitivity reaction Occurs after exposure to environmental allergens Characterized by: Sneezing Nasal itching Rhinorrhea Nasal obstruction 2. IMPORTANCE IN ENT PRACTICE One …
1. DEFINITION Septal perforation is a full-thickness defect of the nasal septum involving: Septal cartilage and/or bone Both mucoperichondrial / mucoperiosteal layers Results in communication between the two nasal cavities Size may vary from: Pin-point perforations Large anterior defects involving …
SEPTAL ABSCESS — PART 1 Diseases of Nasal Septum MBBS 4th Year (Fourth Professional) Otorhinolaryngology (ENT) Free Material (Delivered in pure ENT style, Option-3 ultra-expanded, 3500+ words total over multiple parts, bullet-point structure, no intro/no outro, credit line inserted mid-topic …
1. DEFINITION Septal haematoma = collection of blood between septal cartilage/bone and its mucoperichondrium/mucoperiosteum. Occurs when trauma causes separation of mucoperichondrium from underlying cartilage. Surgical emergency, because: Cartilage is avascular Nutrient supply comes only from mucoperichondrium Blood collects → cuts …
1. DEFINITION Structural displacement of nasal septum from the midline. May involve cartilage, bone, or both. Can produce airflow obstruction, turbulence, contact points, and sinus drainage impairment. Deviation may be C-shaped, S-shaped, spur formation, tilt, or dislocation. 2. EMBRYOLOGY & …
1. DEFINITION Epistaxis refers to bleeding from the nose or nasal cavity, arising from mucosal, vascular, cartilaginous, or post-traumatic disruption. It is one of the most common ENT emergencies, accounting for a major portion of nasal presentations in OPD and …