Sunday, May 5, 2013

Lecture Notes : Breast

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congenital anomalies of the breast
1- amazia >> more common in males
2- polymazia >> recorded in axilla ( mostly ) , groin , thigh and buttock
3- supernumerary >> not uncommon

mastitis of infants ( witch's milk )
- occur in 3rd or 4th day of life
- there are minimal swelling and milky discharge
- It is physiological and disappear on 3rd week of life

mastitis of puberty
- usually males
- there are pain and swelling
- 80 % of cases are unilateral
- examination >> tender and induration
- the suppuration never occur so there is no need to do surgery or drainage because there is no pus
- just give antibiotics

bacterial mastitis
- associated with lactation
- etiology is S.aureus
- clinical picture >> nursing young age mother presented with mastitis
- treatment >> antibiotics ( cloxacillin ) and if there is abscess >> drainage it

- the use of antibiotic + undrainaged abscess >> lead to antibioma

- antibioma is a large sterile , brawny and edematous swelling which need several weeks to resolve
and you must incision and drainage if the infection not resolve within 48 hrs

- confirm the presence of pus by aspiration under antibiotics cover

- fluctuation is a late sign of abscess

- cysts of the breast :
1- simple solitary cyst ( blue-dome cyst of bloodgood )
2- multiple cyst >> commonest type
3- galactocele >> rare , in subareolar , date from lactation , contain milk , can calcify later
4- lymphatic cyst
5- hydatid cyst
6- cystic necrosis of carcinoma
7- abscess
8- hematoma
9- serocytic disease of brodie

- treatment of breast cyst
1- aspiration : no blood , disappear completely , no residual lump
2- check after 4 weeks
3- if recurred >> aspirate again but
4- if recurred 2-3 times >> do excision

- if there is residual lump or blood >> you must take biopsy for cytology to exclude
cystadenocarcinoma ( which is more common in elderly women )

- causes of breast enlargement :
1- diffuse hypertrophy
2- giant fibroadenoma
3- phylloides tumor
4- inflammatory carcinoma

 

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