Pilonidal cyst: Difference between revisions
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==Diagnosis== | ==Diagnosis== | ||
*May present as a painless cyst, acute abscess, or recurring cysts w/ draining sinuses | |||
*Occurs in midline in the upper part of the natal cleft | |||
**Does not communicate with the anorectum | |||
**Because of proximity to anus can be confused for a perianal abscess | |||
==Differential Diagnosis== | ==Differential Diagnosis== | ||
#Syphilitic and tuberculous granulomas | #Syphilitic and tuberculous granulomas | ||
Revision as of 13:38, 3 February 2015
Background
- Sinus is formed by penetration of skin by ingrowing hair
- Leads to foreign body granuloma reaction, sinus perpetuated by repeated bouts of infxn
- Carcinoma is rare complication of chronic, recurring pilonidal sinus disease
Diagnosis
- May present as a painless cyst, acute abscess, or recurring cysts w/ draining sinuses
- Occurs in midline in the upper part of the natal cleft
- Does not communicate with the anorectum
- Because of proximity to anus can be confused for a perianal abscess
Differential Diagnosis
- Syphilitic and tuberculous granulomas
- Simple furuncles
- Fungal infection
- Sacral osteomyelitis
Anorectal Disorders
- Anal fissure
- Anal fistula
- Anal malignancy
- Anal tags
- Anorectal abscess
- Coccydynia
- Colorectal malignancy
- Condyloma acuminata
- Constipation
- Crohn's disease
- Cryptitis
- GC/Chlamydia
- Fecal impaction
- Hemorrhoids
- Levator ani syndrome
- Pedunculated polyp
- Pilonidal cyst
- Proctalgia fugax
- Proctitis
- Pruritus ani
- Enterobius (pinworms)
- Rectal foreign body
- Rectal prolapse
- Syphilitic fissure
Non-GI Look-a-Likes
Treatment
- I&D
- Abx only needed if cellulitis is present
- Refer to surgeon for recurrent disease
See Also
Source
Tintinalli