Sebaceous Cysts Flashcards
What causes sebaceous cyst
Obstruction of opening of sebaceous glands
What elements are found in the sebaceous cyst
Desquamated keratin
Sebum
fat
cholesterol crystals
Only place of the body where sebaceous cyst are not possible
Palm and soles because do not have sebaceous glands
Main sites on the body of sebaceous cysts
Scalp
neck
trunk
face
Complications of sebaceous cysts
Recurrent infection
enlargement
ulceration
sebaceous horn
squamous cell carcinoma
Clinical presentation of sebaceous cysts
Punctum - characteristic
Spherical
Tense or soft
Fluctuant
Definite edges
Attached to the skin
moves freely other underlying tissue
Treatment of sebaceous cysts
Excision
Antibiotic treatment first if infected cyst
What are dermoid cyst
Congenital harmatomas
Commonest type of Dermoid cysts
External angular dermoid ( lateral edge of eyebrow )
Midline Dermoid (nasal cartilage or deep nasal bone )
Pre auricular demoid (in the sinus)
Sublingual Dermoid
Suprasternal space of burns
Post auricular region
Clinical manifestation of Dermoid cyst
Painless
Subcutaneous
Spherical
Circumscribed
With or without attachement to skin
Soft
Fluctuent or tense
Smooth surface
Treatment of dermoid cyst
Excision
epidermal inclusion cysts also known as …
Implantation dermoid
Causes of implantation dermoid
Transplantation of piece of epithelium Into underlying soft tisse during injury and create cyst
Component of cyst in implantation Dermoid
Keratin and desquamated cells
In which occupation do you see implantation Dermoid on fingers
Tailors
