About this Journal Submit a Manuscript Table of Contents
Case Reports in Cardiology
Volume 2013 (2013), Article ID 250808, 3 pages
http://dx.doi.org/10.1155/2013/250808
Case Report

Cardiac Fibroelastoma: A Rare Cause of Stroke in Young Adults

1Medical School, Islamic Azad University, Najafabad Branch, Isfahan, Iran
2Hypertension Research Center, Isfahan Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
3Isfahan University of Medical Sciences, Isfahan, Iran
4Isfahan Cardiovascular Research Center, Isfahan Cardiovascular Research Institute (WHO Collaborating Center), Isfahan University of Medical Sciences, Isfahan, Iran

Received 19 February 2013; Accepted 3 April 2013

Academic Editors: R. Bornemeier, M.-R. Chen, A. J. Mansur, and C. S. Snyder

Copyright © 2013 Ahmad Mirdamadi et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A 26-year-old man presenting with a transient episode of dysarthria and dizziness, 3 weeks prior to admission, was referred to our center to be evaluated for transient ischemic attack (TIA). The patient had been previously admitted to a different hospital and echocardiography was reported normal at that center, but upon presenting to our institution strand-like masses in the left ventricle (LV) were detected. Transesophageal echocardiography (TEE) revealed two distinct mobile LV masses suggesting a diagnosis of papillary fibroelastoma. CT angiography and histopathological studies confirmed this diagnosis.

1. Case Report

A 26-year-old man presenting with an episode of dysarthria and dizziness 3 weeks prior to admission was referred to our center to be evaluated for transient ischemic attack (TIA). His past medical history showed no evidence of previous illness. On admission, physical examination showed that he was in sinus rhythm, had a pulse rate of 75 bpm, and a blood pressure of 100/60 mm Hg. On auscultation, he had no murmur or carotid bruit. Laboratory tests were normal. He had a normal electrocardiogram and chest X-ray. Initial cardiac evaluation was also normal. The patient had been previously admitted to a different hospital which had performed transthoracic echocardiogram and reported it as normal. The patient was referred for transesophageal echocardiography (TEE) to rule out of patent foramen ovale (PFO). We performed another transthoracic echocardiogram (TTE), but mobile strand-like masses in left ventricular (LV) were detected (Figure 1). TEE also revealed two distinct highly mobile filamentous LV masses, suggesting papillary fibroelastoma (Figures 2(a) and 2(b)). One mass measuring 5 × 0.6 cm originated from the posterior wall, near the apex, and another mass measuring 3 × 0.6 cm originated from the mitral valve (MV) annulus just beside the posterior MV leaflet. Both of the masses extended toward LV outflow tract. Both aortic and mitral valve were spare, but chordae tendina was suspected to be involved. CT angiography confirmed the diagnosis. The patient was given anticoagulant therapy and referred for surgery. At operation, two large beading tumors were found in the LV (Figure 3). One of the tumors was attached to posterior leaflet of the MV and the other one was attached to the posterior papillary muscle adjacent to the chordae tendina. The tumors were successfully excised via mitral valve approach. Chordae reconstruction and MV annuloplasty were performed for the patient. The postoperative recovery was uneventful. Follow-up TEE revealed no residual tumor.

250808.fig.001
Figure 1: Evidence of strand-like LV masses, as shown by TTE.
fig2
Figure 2: Transesophageal echocardiographic image showing mobile LV masses attached to the mitral valve and the posterior wall extending to LV outflow tract.
250808.fig.003
Figure 3: Gross specimen of papillary fibroelastoma demonstrating two large beading tumors.

2. Discussion

Fibroelastomas are small, avascular, and usually solitude lesions (in 91% of cases) [1]. This tumor is a very rare tumor with an incidence of 0.001–0.3% at autopsy [2, 3], and most fibroelastomas are often diagnosed incidentally [47]. In symptomatic patients, the clinical presentation depends on the location of tumor [8]. The most common clinical presentation is stroke or transient ischemic attack (TIA) caused by cerebral emboli, originating from a thrombus on the tumor, or by a piece of the tumor itself. Unfortunately, the cerebral ischemia could also result in completed strokes [8]. They have multiple papillary fronds resembling sea anemones. Since the symptoms may mimic other conditions and the fibroelastoma has a similar echocardiographic appearance to thrombus and other various types of cardiac mass, the tumor may be not considered as a diagnosis or it may erroneously be regarded as a thrombus, vegetation, or degenerative valve tissue [9, 10].

In our case, the first transthoracic echocardiogram was not able to correctly diagnose the fibroelastoma and only after meticulous image acquisition, in a second echocardiogram, a correct diagnosis was made. The diagnosis of the fibroelastoma was confirmed by CT angiography and histology after surgery. In cases of cardiac tumor, TEE has an important role in making the diagnosis [11, 12]. Echocardiographic diagnosis can be very difficult, particularly when there is no definitive characteristic to distinguish fibroelastomas from other masses or when the acoustic window is not adequate. When the tumor is larger than 0.2 cm, the sensitivity and specificity of TTE are 88.9% and 87.8%, respectively [10]. Additionally, multiple fibroelastomas are only detected in 8.6% of cases by TEE [10]. Therefore, there should be high clinical suspicion to consider the possibility of a cardiac tumor and careful attention should be paid in order to find these masses in echocardiography. TEE should be performed to make the appropriate diagnosis.

References

  1. R. S. Saad, C. O. Galvis, W. Bshara, J. Liddicoat, and D. J. Dabbs, “Pulmonary valve papillary fibroelastoma: a case report and review of the literature,” Archives of Pathology and Laboratory Medicine, vol. 125, no. 7, pp. 933–934, 2001. View at Scopus
  2. J. Walkes, M. Ci, W. Smythe, and M. Reardon, “Cardiac neoplasms,” in Cardiac Surgery in the Adult, L. Cohn, Ed., pp. 1479–1510, McGraw-Hill, New York, NY, USA, 2008.
  3. D. M. Sahian, S. B. Labib, and G. Chang, “Cardiac papillaryfibroelastoma,” The Annals of Thoracic Surgery, vol. 59, pp. 538–541, 1995.
  4. E. Czekajska-Chehab, A. Tomaszewski, M. Wójcik, and A. Drop, “Papillary fibroelastoma as an accidental findding in multislice computed tomography scan of coronary arteries,” Canadian Journal of Cardiology, vol. 22, no. 13, pp. 1155–1157, 2006. View at Scopus
  5. S. Uchida, N. Obayashi, H. Yamanari, K. Matsubara, D. Saito, and S. Haraoka, “Papillary fibroelastoma in the left ventricular outflow tract,” Heart and Vessels, vol. 7, no. 3, pp. 164–167, 1992. View at Scopus
  6. G. LiMandri, S. Homma, M. R. Di Tullio, et al., “Detection of multiple papillary fibroelastomas of the tricuspid valve by transesophageal echocardiography,” Journal of the American Society of Echocardiography, vol. 7, pp. 315–317, 1994.
  7. L. Cohn, Cardiac Surgery in the Adult, McGraw-Hill Medical, New York, NY, USA, 2008.
  8. R. M. Gowda, I. A. Khan, C. K. Nair, N. J. Mehta, B. C. Vasavada, and T. J. Sacchi, “Cardiac papillary fibroelastoma: a comprehensive analysis of 725 cases,” American Heart Journal, vol. 146, no. 3, pp. 404–410, 2003. View at Publisher · View at Google Scholar · View at Scopus
  9. E. Vizzardi, P. Faggiano, E. Antonioli et al., “Thrombus or tumor? A case of fibroelastoma as indicated during the submission process,” Cases Journal, vol. 2, no. 1, article 31, 2009. View at Publisher · View at Google Scholar · View at Scopus
  10. J. P. Sun, C. R. Asher, X. S. Yang et al., “Clinical and echocardiographic characteristics of papillary fibroelastomas: a retrospective and prospective study in 162 patients,” Circulation, vol. 103, no. 22, pp. 2687–2693, 2001. View at Scopus
  11. J. Butany, V. Nair, M. S. Ahluwalia, D. El Demellwy, S. Siu, and C. Fiendel, “Papillary fibroelastoma of the interatrial septum: a case report,” Journal of Cardiac Surgery, vol. 19, no. 4, pp. 349–353, 2004. View at Publisher · View at Google Scholar · View at Scopus
  12. S. Mohammadi, A. Martineau, P. Voisine, and F. Dagenais, “Left atrial papillary fibroelastoma: a rare cause of multiple cerebral emboli,” Annals of Thoracic Surgery, vol. 84, no. 4, pp. 1396–1397, 2007. View at Publisher · View at Google Scholar · View at Scopus