Breast lumps causes

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: João André Alves Silva, M.D. [2]

Causes

Life Threatening Causes

There are no life-threatening causes.

Common Causes

• Benign inflammatory periductal mastitis

• Breast abscess

• Breast cancer

• Breast adenoma

• Breast trauma

• Cysts of montgomery

• Duct ectasia of breast

• Estrogen and progestin

• Etonogestrel and ethinyl estradiol

• Fibro-adeno-lipoma

• Galactocele

• Glandular thickening due to hormonal changes of pregnancy

• Gynecomastia

• Hematoma

• Hypertrophy

• Intramammary lymph node

• Lipoma

• Premenstrual syndrome

• Progestin

• Retroareolar cyst

• Simple cyst

Causes by Organ System

Cardiovascular	No underlying causes
Chemical/Poisoning	No underlying causes
Dental	No underlying causes
Dermatologic	No underlying causes
Drug Side Effect	No underlying causes
Ear Nose Throat	No underlying causes
Endocrine	No underlying causes
Environmental	No underlying causes
Gastroenterologic	No underlying causes
Genetic	No underlying causes
Hematologic	No underlying causes
Iatrogenic	No underlying causes
Infectious Disease	No underlying causes
Musculoskeletal/Orthopedic	No underlying causes
Neurologic	No underlying causes
Nutritional/Metabolic	No underlying causes
Obstetric/Gynecologic	No underlying causes
Oncologic	No underlying causes
Ophthalmologic	No underlying causes
Overdose/Toxicity	No underlying causes
Psychiatric	No underlying causes
Pulmonary	No underlying causes
Renal/Electrolyte	No underlying causes
Rheumatology/Immunology/Allergy	No underlying causes
Sexual	No underlying causes
Trauma	No underlying causes
Urologic	No underlying causes
Miscellaneous	No underlying causes

Causes in Alphabetical Order

• Aberration of normal development and involution (ANDI)

• Abscess

• Adenoid cystic carcinoma

• Alefacept

• Apocrine metaplasia

• Apocrine or squamous metaplasia

• Apocrine papillary carcinoma

• Ataxia-telangiectasia heterozygosity

• Benign inflammatory periductal mastitis

• Breast abscess

• Breast cancer

• Breast duct papilloma

• Breast fat necrosis

• Breast fibroadenoma

• Breast implant

• Breast infection

• Breast injury

• Breast trauma

• Cancer

• Chronic cystic mastitis

• Colloidal breast cancer

• Complicated cyst

• Cowden syndrome

• Cyclosporine

• Cyst wall cancer

• Cystosarcoma phyllodes

• Cysts of montgomery

• Desmoplastic small round cell tumor

• Duct ectasia of breast

• Ductal carcinoma

• Efalizumab

• Epithelioma of the nipple

• Estradiol

• Estrogen

• Estrogen and progestin

• Etanercept

• Etonogestrel and ethinyl estradiol

• Extramedullary myeloid tumor

• Fat necrosis

• Fibro-adeno-lipoma

• Fibro-adenosis of the newborn

• Fibroadenoma

• Galactocele

• Giant fibroadenoma

• Giant mammary hamartoma

• Glandular thickening due to hormonal changes of pregnancy

• Gynecomastia

• Hamartoma

• Hematoma

• Hereditary diffuse gastric cancer

• Hives

• Hodgkin's disease

• Hyalinized fibroadenoma

• Hypertrophy

• Inflammatory breast cancer

• Intraductal papilloma

• Intramammary lymph node

• Juvenile secretory carcinoma

• Li-Fraumeni syndrome

• Lipoma

• Lobular neoplasia

• Lymphatic obstruction

• Lymphocytic mastitis

• Lymphocytoma cutis

• Lymphoma

• Malignant carcinoma

• Mammary duct ectasia

• Mastitis

• Medroxyprogesterone

• Medullary carcinoma

• Metastatic breast cancer

• Metastatic cancer

• Mondor's disease

• Mucinous carcinoma

• Norelgestromin and ethinyl estradiol

• Oil cyst

• Paget's disease of the breast

• Periductal mastitis

• Peutz-Jeghers syndrome

• Phyllodes tumor

• Plasma cell mastitis

• Postoperative scar/hematoma

• Premenstrual syndrome

• Primary breast cancer

• Progestin

• Pseudoangiomatous stromal hyperplasia

• Pten hamartoma tumor syndrome

• Radial scar

• Radiation induced angiosarcoma of the breast

• Retroareolar cyst

• Rhabdomyosarcoma

• Ruptured cyst or duct

• Sarcoma

• Sclerosing adenosis

• Sebaceous cyst

• Simple cyst

• Skin lumps

• Traumatic fat necrosis

• Tuberculosis of the breast

• Venous thrombosis

• Zuskas disease

References

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