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Mastalgia

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Synonyms and keywords: Mastodynia; mammalgia; breast pain; pain in the breast

Overview

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Aditya Govindavarjhulla, M.B.B.S. [2]

Overview

Mastalgia is usually a benign disorder in young women due to hormonal imbalance during their menstrual cycle. During a menstrual cycle the breasts swell and become lumpy and tender. During a period, the breasts reabsorb the extra fluid inside instead of discharging it, causing breast pain. A breast exam and a breast ultrasound should be performed to make sure nothing is hidden.

Classification

Breast pain can be categorized into 2 main clinical patterns, cyclical and non cyclical.

Treatment

Prevention

There is not really any way to prevent most breast pain, but wearing a well-fitting bra for support may help.

References

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Historical Perspective

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References

Classification

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Aditya Govindavarjhulla, M.B.B.S. [2]

Overview

Breast pain can be categorized into 2 main clinical patterns, cyclical and non cyclical.

Classification

It can be subdivided into 2 main clinical patterns:

  • Non-cyclical when the pain is unrelated to periods.
    • It may be related to the underlying muscle.
    • Trauma and resulting hematoma
    • Infection is sometimes responsible, particularly during times of breast feeding.
    • Breast engorgement during breast feeding (mastitis)
    • Arthritis pain in the chest or neck felt as if it is coming from the breast.

References

Pathophysiology

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

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Pathophysiology

Associated Conditions

  • Breast cancer is, in 19 out of 20 cases, normally not painful in the early stages. New onset of a painless lump should therefore be promptly assessed.

References

Causes

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Aditya Govindavarjhulla, M.B.B.S. [2] Hilda Mahmoudi M.D., M.P.H.[3]

Overview

Two thirds of breast pains are cyclical and one third have non cyclical cause.[1]

Cyclical breast pain is very often associated with fibrocystic breast changes or duct ectasia and believed to be caused by aberrations in dynamic hormonal changes mainly involving prolactin response to thyrotropin. Some degree of cyclical breast tenderness is normal in the menstrual cycle, and is usually associated with menstruation and/or premenstrual syndrome (PMS).

Noncyclical breast pain has various causes and is harder to diagnose.It is more likely to be unilateral and variable in its location in the breast.Some degree of non-cyclical breast tenderness can normally be present due to hormonal changes in puberty (both in girls and boys), in menopause, during pregnancy and breastfeeding. Other causes of non-cyclical breast pain include alcoholism with liver damage (likely due to abnormal steroid metabolism), mastitis, shingles and some medications.

Causes

Common Causes

  • Fibrocystic changes

Causes by Organ System

Cardiovascular No underlying causes
Chemical / poisoning Alcoholism
Dermatologic No underlying causes
Drug Side Effect Antibiotics, Antidepressants, Cardiovascular agents, Chlorpromazine, Cyclosporine , Digitalis, Drospirenone and Ethinyl estradiol, Estradiol topical , Estradiol transdermal, Estradiol valerate and estradiol valerate/dienogest, Estrogen injection , Estrogen vaginal, Ethinyl estradiol and etonogestrel, Etonogestrel, Hormone replacement therapy , Medroxyprogesterone injection , Methyldopa, Norethindrone acetate and Ethinyl estradiol, Norgestrel and Ethinyl estradiol, Oral contraceptives, Oxymetholone, Pramipexole, Ramelteon , Spironolactone, Tamoxifen , Tiagabine
Ear Nose Throat No underlying causes
Endocrine Diabetes mellitus, Puberty
Environmental No underlying causes
Gastroenterologic No underlying causes
Genetic No underlying causes
Hematologic Mondor’s disease, Thrombophlebitis
Iatrogenic No underlying causes
Infectious Disease Shingles
Musculoskeletal / Ortho Chest wall pain, Costochondritis, Spinal and paraspinal disorders, Thoracic spine arthritis, Tietze’s syndrome
Neurologic Intercostal neuralgia, Referred chest pain
Nutritional / Metabolic No underlying causes
Obstetric/Gynecologic Breast abscess, Breast cancer, Breast feeding, Breast fibroadenoma, Duct ectasia, Endometrial cancer, Fat necrosis, Fibroadenoma, Fibrocystic changes, Hidradenitis suppurativa, Intraductal papilloma, Lactation, Large pendulous breasts, Lipoma, Macrocyst, Mastitis,Menopause, Menstruation, Mondor’s disease, Nodular sensitive breast, phylloides tumor, Polycystic ovary syndrome, Pregnancy, Premenstrual syndrome, Prior breast surgery
Oncologic No underlying causes
Opthalmologic No underlying causes
Overdose / Toxicity No underlying causes
Psychiatric No underlying causes
Pulmonary Pleuritic pain
Renal / Electrolyte No underlying causes
Rheum / Immune / Allergy Thoracic spine arthritis
Sexual No underlying causes
Trauma No underlying causes
Urologic No underlying causes
Dental No underlying causes
Miscellaneous Caffeine, Postthoracotomy syndrome, Trauma

Causes in Alphabetical Order

  • Breast fibroadenoma
  • Cardiovascular agents
  • Chest wall pain
  • Estradiol transdermal
  • Estrogen vaginal
  • Ethinyl estradiol and etonogestrel
  • Fibrocystic changes
  • Large pendulous breasts
  • Macrocyst
  • Nodular sensitive breast
  • Postthoracotomy syndrome
  • Prior breast surgery
  • Referred chest pain
  • Spinal and paraspinal disorders
  • Thoracic spine arthritis

References

  1. Davies EL, Gateley CA, Miers M, Mansel RE. The long-term course of mastalgia. J R Soc Med 1998; 91:462.
Differentiating Mastalgia from other Conditions

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References

Epidemiology and Demographics

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

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Epidemiology and Demographics

  • Most common breast symptom leading to office visit
  • More common in premenopausal women
  • Rarely a presenting symptom of cancer
    • Study of women with known breast cancer: 7% presented with mastalgia alone.
    • Women referred for mammogram because of mastalgia:
      • 0.4% had breast cancer (same as controls)
      • 87% had normal mammogram
      • 9% had benign abnormalities

References

Risk Factors

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References

Natural History, Complications and Prognosis

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References

Diagnosis

Diagnosis

History and Symptoms | Physical Examination | Laboratory Findings | Chest X Ray | CT | MRI | Echocardiography or Ultrasound | Other Imaging Findings | Other Diagnostic Studies

Treatment

Treatment

Medical Therapy | Surgery | Prevention | Cost-Effectiveness of Therapy | Future or Investigational Therapies

Case Studies

Case Studies

Case #1

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