4.2 Breast Pathology Flashcards
Cysts are common findings in age __ - ___
35-50 years
Breast cysts are the result of?
obstructed ducts
Breast cysts can have these features
palpable, rounded, some mobility, single/multiple, variable in size, can change with compression
What are complex cysts in the breast with low level echoes called?
Foam cysts
Complex cysts in the breast may also have these features
septations, debris and ALWAYS posterior enhancement
Cysts that display a non-dependent echogenic layer?(not mobile debris, solid tissue on cyst wall NOT MOBILE)
Acorn cyst
WHAT IS THE MOST BENIGN SOLID TUMOR OF THE BREAST
FIBROADENOMAS
Fibroadenomas form in ___ and are stimulated by____
adolescence; estrogen
may increase size with prego and HRT
Fibroadenomas appearance?
Variable size/shape
uni/bilateral
often appear as palpable, painless and mobile
Fibroadenomas Sonographic appearance?
Eliptical/oval gently lobulated Thin echogenic capsule Hypoechoic Homogenous wider than tall solid typically no enhancement no change with compression (fat lobule will demonstate this)
Rare finding AKA “Giant Fibroadenoma”
Cystosarcoma phylloides
larger and more lobulated and can have systic spaces than firadenoma
Are Cystosarcoma phylloides typically benign or malignant?
Benign but can be malignant
Cystosarcoma phylloides are common in ages__ to __ and _____ increase in size.
40-50; rapidly
A Benign fatty tumor in middle aged/postmenopausal patient, often asymptomatic?
Lipoma
Lipoma sonographic appearance
May appear as hypoechoic mass (but relative to surrounding tissue)
Defined margins
Hemorrhage or liquefaction of fatty area in breast that leads to necrosis?
Fat Necrosis
Fat Necrosis is often a result of ?
TRAUMA,(Most common, seatbelt ) surgery or inflammation
Fat Necrosis forms a dense ___ or ___ and the areas may ____
Scar or cyst (lipid cysts); calcify
Fat Necrosis can present with (3)
Firm nodule, skin retraction, nipple inversion
also seen with malignant nodules, hx important
Sonographic appearance Fat Necrosis?
poorly defined, Irregular hypoechoic, complex mass may shadow
Benign solid masses in lining of ducts (can develop into cysts)
PAPILLOMA
Papilloma is the most common cause of?
bloody nipple discharge
Papilloma typically located?
near nipple
Papilloma sonographically
Solid lesion in a duct or cyst
possible ductal ectasia (dilation) near mass
Doppler - vascular stalk or feeding artery
A commmon exaggerated cyclic change in breast tissue where cells proliferate and retain water?
FIBROCYSTIC CHANGE
Fibrocystic change is typically in this location?
UOQ
Fibrocystic S & S
Lumpy, swollen, painful breasts, nodulatity
nipple discharge
mammographic changes
Fibrocystic Sonographically?
multiple cysts, echogenic tissue and small nodules
A milky cyst from an obstructed lactiferous duct
seen in prego or lactating
GALACTOCELE
Most galactocele are located in the ___ region and can lead to___
retroareolar; mastitis (inflammation of the breast)
galactocele Sonographiclly
Well definded cystic mass with internal debris
less posterior enhancement then in simple cyst
Dilated Ducts in the breast are called?
DUCT ECTASIA
Duct Ectasia appear sonographically as?
tubular hypoechoic structures converging toward the nipple (>8mm)