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Perichondritis is inflammation of the perichondrium, a layer of connective tissue which surrounds cartilage. [2] A common form, auricular perichondritis ( perichondritis auriculae ) involves infection of the pinna due to infection of traumatic or surgical wound or the spread of inflammation into depth (e.g. Infected transcartilaginous ear ...
Otitis externa. A moderate case of otitis externa. There is narrowing of the ear channel, with a small amount of exudate and swelling of the outer ear. Otitis externa, also called swimmer's ear, [1] is inflammation of the ear canal. [2] It often presents with ear pain, swelling of the ear canal, and occasionally decreased hearing. [2]
Cauliflower ear is an irreversible condition that occurs when the external portion of the ear is hit and develops a blood clot or other collection of fluid under the perichondrium. This separates the cartilage from the overlying perichondrium that supplies its nutrients, causing it to die and resulting in the formation of fibrous tissue in the ...
Otalgia, earache. Examination of the ear canal and eardrum. Specialty. ENT surgery. Ear pain, also known as earache or otalgia, is pain in the ear. [1][2] Primary ear pain is pain that originates from the ear. Secondary ear pain is a type of referred pain, meaning that the source of the pain differs from the location where the pain is felt.
Rheumatology, Immunology. Relapsing polychondritis is a systemic disease characterized by repeated episodes of inflammation and in some cases deterioration of cartilage. The disease can be life-threatening if the respiratory tract, heart valves, or blood vessels are affected. The exact mechanism is poorly understood.
Dermatology. Chondrodermatitis nodularis chronica helicis (CNCH) is a small, nodular, tender, chronic inflammatory lesion occurring on the helix of the ear, most often in men. [2]: 610 it often presents as a benign painful erythematous nodule fixed to the cartilage of the helix or antihelix of the external ear. [3]
The tragus is a small pointed eminence of the external ear, situated in front of the concha, and projecting backward over the meatus. It also is the name of hair growing at the entrance of the ear. [1] Its name comes the Ancient Greek tragos (τράγος), meaning 'goat', and is descriptive of its general covering on its under surface with a ...
Ophthalmology. Orbital cellulitis is inflammation of eye tissues behind the orbital septum. It is most commonly caused by an acute spread of infection into the eye socket from either the adjacent sinuses or through the blood. It may also occur after trauma. When it affects the rear of the eye, it is known as retro-orbital cellulitis.