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Benign and Malignant Breast Lesions

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    Fibroadenoma

    Well encapsulated

    15 - 25 years of age

    Most common

    15% of palpable breast lump Common in blacks

    Clinical Features:

    • Painless
    • Smooth
    • Firm
    • Well localised
    • Moves freely

    Investigations:

    • - USS
    • - Mammogram
    • - FNAC
    • - Core needle biopsy

    Treatment: Excision

    Fibrocystic Disease

    Clinical Features:

    • Painful, diffuse, granular
    • Tender swelling
    • Not attached
    • Cyclical mastalgia
    • Subsides during pregnancy
    • Nipple discharge - greenish

    Investigation:

    • FNAC
    • USS - Mammogram

    Reassurance

    Drugs:

    • To relieve pain
    • To reverse changes
    • To soften breast

    Drugs:

    • Oil of primrose
    • Tamoxifen
    • Bromocriptine
    • NSAID

    Surgery: Subcutaneous mastectomy

    Sclerosing Adenosis

    Benign

    • 30-50 years
    • Diffuse or focal
    • Multiple, small firm nodules
    • Cyclical mastalgia

    Treatment: like fibrocystic disease

    Phylloides Tumour

    Phylloides Tumour (Cystosarcoma Phylloides, Serocystic Disease of Brodie)

    Show spectrum of activities (Benign 85%, Metastases 15%):

    • Low grade
    • Spread to lungs and bones
    • 1% of breast tumors

    Gross: Large, Capsulated, soft, brownish and cystic area

    Features:

    • Middle aged, usually unilateral
    • Grow rapidly, attain large size
    • Bosselated surface
    • Skin over it is stretched
    • Recurrence is common

    Investigation:

    • USS
    • Mammogram
    • Core biopsy, FNAC
    • CXR

    Treatment:

    • Wide excision
    • If Malignant - Mastectomy

    Mastalgia

    45% common in women

    Unknown aetiology

    Types:

    • Cyclical (65%)
    • Non-Cyclical (30%)
    • Chest wall (5%)

    Cyclical:

    • Pain related to menses
    • Seen in ANDI
    • Seen menstruating age group
    • Bilateral

    Treatment: Diclofenac gel, evening Primrose oil, Bromocriptine, Tamoxifen, Vit. B6 B10, analgesics

    Non-Cyclical:

    • Periductal
    • Malignancy
    • Unilateral

    Treatment: Identify the causes

    Other Benign Breast Diseases

    1. Traumatic Fat Necrosis
    2. Galactocele
    3. Mastitis
    4. Duct Ectasia
    5. Dilatation of ducts

      • Hormonally induced
      • Greenish nipple discharge
      • Nipple retraction

      Treatment: Excision of ducts involved, antibiotics

    6. TB Breast
    7. Breast Cyst
    8. Galactorrhea
    9. Gynecomastia
    10. Causes:

      • Estrogen excess
      • Androgen deficiency
      • Testicular tumor

      Drugs: (digitalis, steroids)

      Types:

      • Neonatal
      • Pubertal

      Features: Diffuse, enlarged breast, well localized

      Treatment: Surgical excision, Drugs - Tamoxifen, Clomiphene

    11. Duct Papilloma
    12. Features: Bloody discharge from nipple

    Aetiology:

    • Common in developed countries than Africa
    • More aggressive in African women
    • Common after middle age but can occur in any age after 20 yrs
    • It can be familial in 2-5% of cases
    • Mutation of tumor suppressor gene BRCA 1, BRCA 2 Genes

    Risk Factors:

    • Diets
    • Nulliparity
    • Early menarche
    • Late menopause
    • Early child bearing
    • Obesity
    • First degree relative
    • Radiation
    • Contraceptive pills

    Pathology

    Breast cancer from Lactiferous duct: Ductal carcinoma

    Breast cancer from lobules: Lobular carcinoma

    In situ:

    • Ductal in situ - DCIS
    • Invasive
    • Lobular in situ - LCIS

    Classification:

    • Non-invasive: LCIS, DCIS
    • Invasive:
      • Invasive lobular 10%
      • Invasive ductal:
        • Specified 70%
        • Tubular 2%
        • Colloid
        • Medullary

    Presentation of Breast Cancer

    • Lump in the breast
    • Nipple discharge
    • Ulceration/fungation
    • Axillary pain
    • Chest pain
    • Bone pain
    • Liver secondaries
    • Pain in the lump

    Differential Diagnosis

    • Fibroadenoma
    • Traumatic fat necrosis
    • TB
    • Filariasis
    • Galactocele

    Investigation

    • Mammogram
    • USS
    • FNAC
    • Trucut biopsy
    • Excision/incision
    • MRI
    • CXR

    Combined Approach

    1. Surgery: MRM, Total mastectomy
    2. Radiotherapy
    3. Hormone therapy
    4. Chemotherapy

    Conservative Surgery

    • Wide local excision
    • Skin Sparing mastectomy
    • Toilet mastectomy


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