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Pilonidal sinus (PNS): is a sinus tract, or small channel, that may originate from the source of infection and open to the surface of the skin. [10] Material from the cyst drains through the pilonidal sinus. A pilonidal cyst is usually painful, but if it is a draining sinus, the pressure is relieved and patient might not feel pain.
Marsupialization is the surgical technique of cutting a slit into an abscess or cyst and suturing the edges of the slit to form a continuous surface from the exterior surface to the interior surface of the cyst or abscess. Sutured in this fashion, the site remains open and can drain freely.
Incision and drainage (I&D), also known as clinical lancing, are minor surgical procedures to release pus or pressure built up under the skin, such as from an abscess, boil, or infected paranasal sinus.
A pilonidal cyst is not a tumor; a dermoid cyst is, but often it is a benign one. Another source of confusion is that often no clear distinction is made between a cyst , an abcess , and a sinus . If you feel up to making all this clearer, please go to it!
A small dermoid cyst on the coccyx can be difficult to distinguish from a pilonidal cyst. This is partly because both can be full of hair. A pilonidal cyst is a pilonidal sinus that is obstructed. Any teratoma near the body surface may develop a sinus or a fistula, or even a cluster of these.
Dermoid sinus is thought to be a genetic skin condition in dogs. It is also known as pilonidal sinus. However, unlike pilonidal sinus in humans, the dermoid sinus in dogs is a neural tube defect. [1] Dermoid sinus is sometimes also confused with dermoid cyst (a teratoma). A dermoid sinus is rare in dogs and cats.
Congenital dermal sinus is an uncommon form of cranial or spinal dysraphism. [ 2 ] [ 3 ] It occurs in 1 in 2500 live births. [ 3 ] It occurs as a dermal indentation, found along the midline of the neuraxis and often presents alongside infection and neurological deficit. [ 2 ]
Skin involvement in subcutaneous tissue infections includes: cutaneous and subcutaneous abscesses, [37] breast abscess, decubitus ulcers, infected pilonidal cyst or sinus, Meleney's ulcer infected diabetic (vascular or trophic) ulcers, bite wound, [38] anaerobic cellulitis and gas gangrene, bacterial synergistic gangrene, and burn wound ...