SEBACEOUS CYST- CLINICAL FEATURES,TREATMENT,COMPLICATION

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 SEBACEOUS CYST 

INTRODUCTION:

SYNONYMS: EPIDERMOID CYST ,WEN 

  • Etiology: acquired -retention cyst ,sebaceous cyst -obstruction  leads to accumulation of sebaceous material 
Site: 

  • Face
  • Scalp
  • Scrotum
  • Back
  • It does not occur in palm and sole cause sebaceous glands are absent 

CLINICAL FEATURES:

  • AGE:Early adulthood,middle age 
  • Slow growing
  • Shape:Hemispherical,Spherical 
  • Central keratin filled- punctum indicate blockage of duct ,dark spot 
  • 20-30% cases punctum may not be seen 
  • Surface :smooth,round border 
  • Consistency :soft and putty,non-tender
  • Sign of moulding







  • Sign of indentation :pitting on pressure over the swelling
  • Swelling mobile,except at the site of punctum
  • Bony defect -absent
  • Multiple sebaceous cyst may be associated with gardner syndrome

TREATMENT:

  • Incision and avulsion of cyst with the wall
  • During dissection,cyst wall ruptures ,care should be taken to excise cyst wall ,cause there can be recurrence
  • Small -excised with skin

COMPLICATION:

  • INFECTION:
Injury,scratch may lead to abscess
  • Cyst becomes tender,hot,red
  • SEBACEOUS HORN ;

Slow drying of content which are squeezed out

  • CALCIFICATION
  • COCKS PECULIAL TUMOUR 
Infected ,ulcerated cyst of scalp and pouting granulation tissue 

  • Rarely basal cell carcinoma can occur







DIFFERENTIAL DIAGNOSIS;

  • Dermoid cyst
  • Lipoma 








AIM OF THIS POST:

Today we started with a small introduction about what sebaceous cyst is ,clinical features with which patient presents,treatment options available ,complication and finally about differential diagnosis .the main reason to post about sebaceous cyst is today we had gone to see minor OT wherein we saw sebaceous cyst case in order to get clear picture about sebaceous cyst i have posted this hope this would have informative and helped you learn if it helped you learn then do let me know in the comment section below as this would motivate me to post more such content .do stay connected through instagram as well 

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