Ento Key

Pyogenic Granuloma Key Points Pyogenic granuloma is a reactive benign vascular proliferation that can be seen on the skin or mucous membranes It can involve the conjunctiva and the eyelids…

Rhabdomyoma Key Points Rhabdomyoma is a rare benign mesenchymal tumor of soft tissue originating from skeletal muscle cells It is usually subdivided into two major subtypes, cardiac and extracardiac, based…

Punctal Stenosis and Agenesis Key Points Punctal stenosis is a condition in which the proximal external openings of the nasolacrimal drainage system on the medial eyelid margins are narrower than…

Pseudoepitheliomatous Hyperplasia Key Points Secondary pseudoepitheliomatous hyperplasia (PEH) is a benign proliferative pseudoneoplastic response to trauma, wounds, burns, radiation therapy, cryotherapy, pharmaceutical agents, and cutaneous malignancies Primary PEH has no…

Poliosis Key Points Poliosis is a localized patch of hypopigmented hair caused by a reduction or absence of melanin in the affected hairs The pathogenesis is unknown, but this condition…

Pleomorphic Adenoma (Mixed Tumor) Key Points Pleomorphic adenomas arise most often in the lacrimal or salivary glands, and less commonly from ectopic periorbital lacrimal gland tissue, sweat glands of Moll,…

Pilomatrixoma Key Points Pilomatrixoma is a benign tumor of the hair follicle It occurs in any hair-bearing areas of the body, most often in the skin of the head and…

Phakomatous Choristoma Key Points Phakomatous choristoma is a very rare congenital lesion It is believed to arise early in the embryogenesis of the eye during the optic vesicle stage as…

Pemphigus Vulgaris Key Points Pemphigus vulgaris (PV) is an autoimmune disease in which autoantibodies are directed against desmosomal adhesion molecules resulting in blistering in the suprabasal layers of the cutaneous…

Oculodermal Melanocytosis Key Points Oculodermal melanocytosis is a benign congenital anomalous pigmentation of deep facial skin and ocular tissues It is a dermal melanocytic hamartoma that presents with unilateral or…