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Case Reports
. 2019 Mar 15;32(1):119-120.
doi: 10.1080/08998280.2018.1533310. eCollection 2019 Jan.

Pheochromocytoma and sinus node dysfunction

Mary Lee  1 , Dane Langsjeon  2 , Srikala Devabhaktuni  2 , Greg Olsovsky  2
Affiliations
Case Reports

Pheochromocytoma and sinus node dysfunction

Mary Lee et al. Proc (Bayl Univ Med Cent). .

Abstract

Pheochromocytomas are rare catecholamine-producing neuroendocrine tumors that can lead to detrimental outcomes; if identified and treated, they are associated with a good prognosis. The clinical presentation can vary greatly but is classically associated with tachycardia, headaches, and hypertension. Bradyarrhythmias and sinus node dysfunction are uncommon complications of this condition. We present a case of pheochromocytoma associated with sinus pauses and junctional escape rhythms that had complete resolution of sinus node dysfunction after adrenalectomy.

Keywords: Catecholamine; junctional escape rhythms; pheochromocytoma; sick sinus syndrome; sinus arrest; sinus node dysfunction.

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Figures

Figure 1.
Figure 1.
Doppler renal ultrasound revealing a 5.5-cm soft tissue lesion near the superomedial aspect of the right kidney.
Figure 2.
Figure 2.
Computed tomography of the abdomen with contrast: (a) coronal plane, revealing a right adrenal lesion measuring up to 5.5 cm, and (b) transverse plane, revealing right adrenal lesion measuring 3.7 × 4.0 × 5.5 cm.
See this image and copyright information in PMC

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