Prolactinoma differential diagnosis

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

Overview

Prolactinoma must be differentiated from other causes of hyperprolactinemia that may present as galactorrhea, amenorrhea, (in females) and infertility (in both males and females). Causes of hyperprolactinemia can be categorized as physiological, pathological, and medication-induced.

Differential Diagnosis

Prolactinoma must be differentiated from other causes of hyperprolactinemia that may present as galactorrhea, amenorrhea, (in females) and infertility (in both males and females) including:

Disease Clinical Findings Laboratory Findings Management
Somatotroph adenoma:

Acromegaly

Clinical features of acromegaly are due to high level of human growth hormone (hGH):
Corticotroph adenoma:

Cushing's syndrome

Clinical features of Cushing's syndrome are due to increased levels of cortisol:
Hypothyroidism Clinical features of hypothyroidism are due to deficiency of thyroxine:
Chronic renal failure There are no pathognomonic symptoms associated with chronic renal failure. Common non-specific symptoms of chronic renal failure include: Urinalysis:

Fluid and electrolyte disturbances:

Endocrine and metabolic disturbances:

Hematologic abnormalities:

Liver disease: Cirrhosis The clinical features of liver cirrhosis are very nonspecific. These include:
Seizure disorder The clinical features of seizure disorder may include:
  • Change in alertness, orientation and time perception
  • Mood changes, such as unexplainable fear, panic, joy, or laughter
  • Changes in sensation of the skin, usually spreading over the arm, leg, or trunk
  • Vision changes, including seeing flashing lights
  • Rarely, hallucinations (seeing things that aren't there)
  • Falling, loss of muscle control, occurs very suddenly
  • Muscle twitching that may spread up or down an arm or leg
  • Muscle tension or tightening that causes twisting of the body, head, arms, or legs
  • Shaking of the entire body
  • Tasting a bitter or metallic flavor
Medication-induced Clinical features of hyperprolactinemia after a specific period of regular medication ingestion
  • Discontinuation of the medication for 3 days and remeasurement of prolactin levels[13]
  • Change to alternate medication

References

  1. Rigg LA, Lein A, Yen SS (1977). "Pattern of increase in circulating prolactin levels during human gestation". Am J Obstet Gynecol. 129 (4): 454–6. PMID 910825.
  2. Levy A (2004). "Pituitary disease: presentation, diagnosis, and management". J Neurol Neurosurg Psychiatry. 75 Suppl 3: iii47–52. doi:10.1136/jnnp.2004.045740. PMC 1765669. PMID 15316045.
  3. Snyder PJ, Jacobs LS, Utiger RD, Daughaday WH (1973). "Thyroid hormone inhibition of the prolactin response to thyrotropin-releasing hormone". J Clin Invest. 52 (9): 2324–9. doi:10.1172/JCI107421. PMC 333037. PMID 4199418.
  4. Sievertsen GD, Lim VS, Nakawatase C, Frohman LA (1980). "Metabolic clearance and secretion rates of human prolactin in normal subjects and in patients with chronic renal failure". J Clin Endocrinol Metab. 50 (5): 846–52. doi:10.1210/jcem-50-5-846. PMID 7372775.
  5. Jha SK, Kannan S (2016). "Serum prolactin in patients with liver disease in comparison with healthy adults: A preliminary cross-sectional study". Int J Appl Basic Med Res. 6 (1): 8–10. doi:10.4103/2229-516X.173984. PMC 4765284. PMID 26958514.
  6. Ben-Menachem, Elinor (2006). "Is Prolactin a Clinically Useful Measure of Epilepsy?". Epilepsy Currents. 6 (3): 78–79. doi:10.1111/j.1535-7511.2006.00104.x. ISSN 1535-7597.
  7. Trimble MR (1978). "Serum prolactin in epilepsy and hysteria". Br Med J. 2 (6153): 1682. PMC 1608938. PMID 737437.
  8. David SR, Taylor CC, Kinon BJ, Breier A (2000). "The effects of olanzapine, risperidone, and haloperidol on plasma prolactin levels in patients with schizophrenia". Clin Ther. 22 (9): 1085–96. doi:10.1016/S0149-2918(00)80086-7. PMID 11048906.
  9. McCallum RW, Sowers JR, Hershman JM, Sturdevant RA (1976). "Metoclopramide stimulates prolactin secretion in man". J Clin Endocrinol Metab. 42 (6): 1148–52. doi:10.1210/jcem-42-6-1148. PMID 777023.
  10. Sowers JR, Sharp B, McCallum RW (1982). "Effect of domperidone, an extracerebral inhibitor of dopamine receptors, on thyrotropin, prolactin, renin, aldosterone, and 18-hydroxycorticosterone secretion in man". J Clin Endocrinol Metab. 54 (4): 869–71. doi:10.1210/jcem-54-4-869. PMID 7037817.
  11. Steiner J, Cassar J, Mashiter K, Dawes I, Fraser TR, Breckenridge A (1976). "Effects of methyldopa on prolactin and growth hormone". Br Med J. 1 (6019): 1186–8. PMC 1639736. PMID 1268617.
  12. Fearrington EL, Rand CH, Rose JD (1983). "Hyperprolactinemia-galactorrhea induced by verapamil". Am J Cardiol. 51 (8): 1466–7. PMID 6682619.
  13. Melmed S, Casanueva FF, Hoffman AR, Kleinberg DL, Montori VM, Schlechte JA; et al. (2011). "Diagnosis and treatment of hyperprolactinemia: an Endocrine Society clinical practice guideline". J Clin Endocrinol Metab. 96 (2): 273–88. doi:10.1210/jc.2010-1692. PMID 21296991.

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