Blood cyst

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Blood cyst
Blood cyst tricuspid valve 001.jpg
Blood cyst: The lesion was an incidental finding on the tricuspid valve of a 4-month-old infant who died of unrelated causes. The large size of the cyst (4 mm) and the age of the patient are unusual for congenital blood cysts, which are usually less than 2 mm in diameter and regress by 2 months of age.
Image courtesy of Professor Peter Anderson DVM PhD and published with permission © PEIR, University of Alabama at Birmingham, Department of Pathology

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Synonyms and Keywords: Congenital cardiac cyst, intracardiac cyst


Intracardiac blood cysts are thin-walled congenital cysts located in the endocardium and are seen predominantly in infants.[1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21]


  1. Elsässer C. Bericht über die Ereignisse in der Gebäranstalt des Catherinen-Hospital im Jahre 1844. Med Correspondenzblatt 1844;14:297.
  2. Luschka H. Die Blutergüsse im Gewebe der Herzklappen. Virchows Arch Pathol Anat 1858;11:144-9.
  3. Burke A, Virmani R. Tumors of the heart and great vessels. Atlas of Tumor Pathology, 3rd Series, Fascicle 16. Washington, D.C. Armed Forces Institute of Pathology, 1996. pp.79-80.
  4. Pelikan HM, Tsang TS, Seward JB. Giant blood cyst of the mitral valve. J Am Soc Echocardiogr. 1999 Nov;12(11):1005-7.
  5. Boyd WC, Hartman GS, Reilly DM, Kreiger KH. An adult atrial blood cyst. J Cardiothorac Vasc Anesth. 1999 Oct;13(5):592-3.
  6. Minato H, Manabe T, Masaki H, Kawahara Y. Blood cyst of the pulmonary valve in an adult: report of a case and review of the literature. Hum Pathol 1997;28:252-5.
  7. Niinami H, Ishihara S, Hara S, Tanaka S, Yamaguti E, Takase S. Blood cyst with a calcium stone originating from the right atrial septum. Cardiovasc Surg 1996;4:260-2.
  8. Boyd TAB. Blood cysts on heart valves of infants. Am J Pathol 1949;25:757-9.
  9. Levinson SA, Learner A. Blood cysts on heart valves of new-born infants. Arch Pathol 1932;14:810-7.
  10. Pasaoglu I, Dogan R, Nazli N, Gungen Y, Bozer AY. Blood cyst originating from tricuspid septal leaflet. J Cardiovasc Surg (Torino) 1991;32:589-91.
  11. Pasaoglu I, Dogan R, Demircin M, Bozer AY. Blood cyst of the pulmonary valve causing pulmonic valve stenosis. Am J Cardiol 1993;72:493-4.
  12. Zimmerman KG, Paplanus SH, Dong S, Nagle RB. Congenital blood cysts of the heart valves. Hum Pathol 1983;14:699-703.
  13. Xie SW, Lu OL, Picard MH. Blood cyst of the mitral valve: detection by transthoracic and transesophageal echocardiography. J Am Soc Echocardiogr 1992;5:547-50.
  14. Arnold IR, Hubner PJ, Firmin RK. Blood filled cyst of the papillary muscle of the mitral valve producing severe left ventricular outflow tract obstruction. Br Heart J 1990;63:132-3.
  15. Kantelip B, Satge D, Camilleri L, Chenard MP, De Riberolles C. Valvular cyst and atrioventricular canal in a child with trisomy 21. Ann Pathol 1994;14:101-7.
  16. Roberts PF, Serra AJ, McNicholas KW, Shapira N, Lemole GM. Atrial blood cyst: a rare finding. Ann Thorac Surg 1996;62:880-2.
  17. Hauser AM, Rathod K, McGill J, et al. Blood cyst of the papillary muscle. Clinical, echocardiographic and anatomic observations. Am J Cardiol 1983; 51:612-3.
  18. DeGroff C, Silberbach M, Sahn DJ, Droukas P. Giant blood cyst of the aortic valve. J Am Soc Echocardiogr 1995; 8:543-5.
  19. Sim EK, Wong ML, Tan KT, Sim SK. Blood cyst of the tricuspid valve. Ann Thorac Surg 1996; 61:1012-3.
  20. Mohanty SR, Murthy KS, Krishnanaik S, Sivaraman A, Cherian KM. Cardiac blood-filled cyst at the atrialized portion of the right ventricle in a patient with Ebstein anomaly: a case report. J Thorac Cardiovasc Surg 2000; 120:422-3.
  21. Roberts PF, Serra AJ, McNicholas KW, Shapira N, Lemole GM. Atrial blood cyst: a rare finding. Ann Thorac Surg 1996; 62:880-2.

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