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Involutional stenosis is probably the most common cause of nasolacrimal duct obstruction in older people. It affects women twice as frequently as men. Although the inciting event in this process is unknown, clinicopathologic study suggests that compression of the lumen of the nasolacrimal duct is caused by inflammatory infiltrates and edema.
Idiopathic orbital inflammation has a varied clinical presentation depending on the involved tissue. It can range from a diffuse inflammatory process to a more localized inflammation of muscle, lacrimal gland or orbital fat. [7] Its former name, orbital pseudotumor, is derived due to resemblance to a neoplasm.
Dacryocystitis is an infection of the lacrimal sac, secondary to obstruction of the nasolacrimal duct at the junction of the lacrimal sac. [1] The term derives from Greek dákryon 'tear' cysta 'sac' and -itis 'inflammation'. [2] It causes pain, redness, and swelling over the inner aspect of the lower eyelid and epiphora.
Dacryoadenitis is inflammation of the lacrimal glands. [1] Symptoms. Swelling of the outer portion of the upper lid, with possible redness and tenderness;
The lacrimal sac or lachrymal sac [1] is the upper dilated end of the nasolacrimal duct, [2] and is lodged in a deep groove formed by the lacrimal bone and frontal process of the maxilla. It connects the lacrimal canaliculi , which drain tears from the eye's surface, and the nasolacrimal duct , which conveys this fluid into the nasal cavity. [ 3 ]
The canal containing the duct is called the nasolacrimal canal. It is formed by indentations in the inferior nasal conchae , maxilla and lacrimal bone . The canal drains into the nasal cavity through the anterior portion of the inferior meatus , which is between the inferior concha and the floor of the nasal cavity.
Pes anserine bursitis can be treated with a variety of physical therapy treatments, steroids to reduce inflammation, or surgery if necessary. Physical therapy treatments include therapeutic ultrasound, electrical stimulation (E-stim), rehabilitative exercises, and ice. [ 2 ]
Prepatellar bursitis is an inflammation of the prepatellar bursa at the front of the knee. It is marked by swelling at the knee, which can be tender to the touch and which generally does not restrict the knee's range of motion. It can be extremely painful and disabling as long as the underlying condition persists.