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	Mondor's disease
Chemical/Poisoning	No underlying causes
Dental	No underlying causes
Dermatologic	Cysts of montgomery, Epithelioma of the nipple, Hives, Intraductal papilloma , Lymphocytoma cutis, Paget's disease of the breast, Retroareolar cyst, Sclerosing adenosis, Sebaceous cyst, Skin lumps, Zuska's Disease
Drug Side Effect	Alefacept, Cyclosporine , Efalizumab, Estradiol, Estrogen, Estrogen and progestin, Etanercept, Etonogestrel and ethinyl estradiol, Medroxyprogesterone, Norelgestromin and ethinyl estradiol, Progestin
Ear Nose Throat	No underlying causes
Endocrine	Aberration of normal development and involution (ANDI), Breast fibroadenoma, Chronic cystic mastitis, Fibro-adenosis of the newborn, Fibroadenoma, Galactocele, Giant fibroadenoma, Glandular thickening due to hormonal changes of pregnancy, Gynecomastia, Hyalinized fibroadenoma, Premenstrual syndrome, Simple cyst
Environmental	No underlying causes
Gastroenterologic	No underlying causes
Genetic	Aberration of normal development and involution (ANDI), Adenoid cystic carcinoma, Apocrine metaplasia, Apocrine or squamous metaplasia , Apocrine papillary carcinoma, Ataxia-telangiectasia heterozygosity, Breast cancer, Cancer, Colloidal breast cancer , Cowden syndrome, Cyclosporine , Cyst wall cancer , Ductal carcinoma, Extramedullary myeloid tumor, Giant mammary hamartoma, Hamartoma, Hereditary diffuse gastric cancer , Hodgkin's disease, Inflammatory breast cancer, Juvenile secretory carcinoma , Li-Fraumeni syndrome, Lymphoma, Malignant carcinoma, Medullary carcinoma, Metastatic breast cancer, Metastatic cancer, Mucinous carcinoma , Peutz-Jeghers syndrome, Primary breast cancer, Pten hamartoma tumor syndrome
Hematologic	Extramedullary myeloid tumor, Hodgkin's disease, Lymphoma, Medullary carcinoma, Rhabdomyosarcoma, Sarcoma, Venous thrombosis
Iatrogenic	Abscess , Alefacept, Breast abscess, Breast fat necrosis, Breast implant, Complicated cyst, Cyclosporine , Efalizumab, Estradiol, Estrogen, Estrogen and progestin, Etanercept, Etonogestrel and ethinyl estradiol , Hematoma, Medroxyprogesterone, Norelgestromin and ethinyl estradiol, Postoperative scar/hematoma , Progestin, Radial scar , Radiation induced angiosarcoma of the breast
Infectious Disease	Abscess , Benign inflammatory periductal mastitis, Breast abscess, Tuberculosis of the breast
Musculoskeletal/Orthopedic	No underlying causes
Neurologic	Ataxia-telangiectasia heterozygosity
Nutritional/Metabolic	No underlying causes
Obstetric/Gynecologic	Aberration of normal development and involution (ANDI), Adenoid cystic carcinoma, Apocrine metaplasia, Apocrine or squamous metaplasia , Benign inflammatory periductal mastitis, Apocrine papillary carcinoma, Breast abscess, Breast cancer, Breast duct papilloma, Breast fat necrosis, Breast fibroadenoma, Breast implant, Breast injury,Breast trauma, Chronic cystic mastitis, Colloidal breast cancer , Complicated cyst, Cowden syndrome, Cyst wall cancer , Cystosarcoma phyllodes, Cysts of montgomery, Duct ectasia of breast, Ductal carcinoma, Epithelioma of the nipple, 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, Hyalinized fibroadenoma , Intraductal papilloma , Li-Fraumeni syndrome, Lobular neoplasia, Lymphocytic mastitis, Mammary duct ectasia , Mastitis, Metastatic breast cancer, Mucinous carcinoma, Paget's disease of the breast, Periductal mastitis, Phyllodes tumor, Plasma cell mastitis, Primary breast cancer, Pseudoangiomatous stromal hyperplasia, Retroareolar cyst, Ruptured cyst or duct , Sclerosing adenosis, Tuberculosis of the breast, Zuska's Disease
Oncologic	Adenoid cystic carcinoma, Apocrine papillary carcinoma, Ataxia-telangiectasia heterozygosity, Breast cancer, Cancer, Colloidal breast cancer, Cyst wall cancer , Cystosarcoma phyllodes, Desmoplastic small round cell tumor, Ductal carcinoma, Epithelioma of the nipple, Extramedullary myeloid tumor, Hereditary diffuse gastric cancer , Hodgkin's disease, Inflammatory breast cancer, Juvenile secretory carcinoma , Li-Fraumeni syndrome, Lymphoma, Malignant carcinoma, Medullary carcinoma, Metastatic breast cancer, Metastatic cancer, Mucinous carcinoma , Paget's disease of the breast, Peutz-Jeghers syndrome, Phyllodes tumor, Primary breast cancer, Pten hamartoma tumor syndrome, Radiation induced angiosarcoma of the breast, Rhabdomyosarcoma, Sarcoma
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	Benign inflammatory periductal mastitis, Cysts of montgomery, Desmoplastic small round cell tumor, Hives, Inflammatory breast cancer, Intramammary lymph node , Lymphatic obstruction, Lymphocytoma cutis, Lymphocytic mastitis, Mastitis, Mondor's disease, Periductal mastitis, Plasma cell mastitis, Zuska's Disease
Sexual	No underlying causes
Trauma	Breast fat necrosis, Breast injury, Breast trauma, Fat necrosis, Hematoma , Ruptured cyst or duct , Traumatic fat necrosis
Urologic	No underlying causes
Miscellaneous	Fibro-adeno-lipoma , Hypertrophy, Lipoma, Lymphatic obstruction, Oil cyst , Postoperative scar/hematoma , Radial scar , Ruptured cyst or duct , Venous thrombosis

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

• Zuska's Disease

References

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