Congenital agenesis of right parotid gland confounds MIBG scan interpretation in craniocervical neuroblastoma.

Don Udall, Steve Y. Cho

Research output: Contribution to journalArticle

Abstract

A 10-month-old boy with left infraorbital temporal neuroblastoma presented for I-123 metaiodobenzylguanidine scan with SPECT/CT for staging. Symmetrical metaiodobenzylguanidine uptake in salivary glands is usually considered normal. In this case of right parotid agenesis, symmetrical uptake was misleading. Tumor in the right mandibular ramus masqueraded as normal parotid gland. Repeat imaging 3 months after chemotherapy revealed absence of physiologic right parotid gland activity. Correlation with CT from SPECT/CT demonstrated right parotid agenesis, confirmed on MRI. Few cases of unilateral parotid agenesis are reported in published literature. We also discuss the potential added value of higher-quality CT images in SPECT/CT tumor imaging.

Original languageEnglish (US)
JournalClinical Nuclear Medicine
Volume36
Issue number11
StatePublished - Nov 2011
Externally publishedYes

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3-Iodobenzylguanidine
Parotid Gland
Neuroblastoma
Salivary Glands
Neoplasms
Drug Therapy
Single Photon Emission Computed Tomography Computed Tomography

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

Cite this

Congenital agenesis of right parotid gland confounds MIBG scan interpretation in craniocervical neuroblastoma. / Udall, Don; Cho, Steve Y.

In: Clinical Nuclear Medicine, Vol. 36, No. 11, 11.2011.

Research output: Contribution to journalArticle

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