FDG Avid Intracholecystic Papillary Neoplasm Mimicking Hepatic Metastasis in a Patient with Head-and-neck Cancer

Jordan Norman; Elizabeth Ellison; Jamie Kendrick; Jing He; Peeyush Bhargava

doi:10.4103/ijnm.ijnm_150_23

FDG Avid Intracholecystic Papillary Neoplasm Mimicking Hepatic Metastasis in a Patient with Head-and-neck Cancer

Jordan Norman, Elizabeth Ellison, Jamie Kendrick, Jing He, Peeyush Bhargava

Radiology

Research output: Contribution to journal › Article › peer-review

Abstract

A 75-year-old male with head-and-neck squamous cell cancer received a staging f-18-fluorodeoxyglucose (18F-FDG) positron emission tomography-computed tomography (PET/ CT) scan which showed additional focal abnormal uptake in the right hepatic lobe. The patient was treated for probable metastatic disease. Restaging FDG PET/CT scan revealed resolution of uptake in the head-and-neck and persistent focal uptake in the presumed liver metastasis. An abdominal CT with intravenous contrast revealed an enhancing mass in the gallbladder, without extension into the liver. Cholecystectomy revealed an intracholecystic papillary neoplasm of the gallbladder. The initial appearance of hepatic metastasis was due to a misregistration artifact.

Original language	English (US)
Pages (from-to)	153-154
Number of pages	2
Journal	Indian Journal of Nuclear Medicine
Volume	39
Issue number	2
DOIs	https://doi.org/10.4103/ijnm.ijnm_150_23
State	Published - 2024

Keywords

Fluorodeoxyglucose
gallbladder neoplasm
misregistration
positron emission tomography-computed tomography

ASJC Scopus subject areas

Radiology Nuclear Medicine and imaging

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10.4103/ijnm.ijnm_150_23

Cite this

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title = "FDG Avid Intracholecystic Papillary Neoplasm Mimicking Hepatic Metastasis in a Patient with Head-and-neck Cancer",

abstract = "A 75-year-old male with head-and-neck squamous cell cancer received a staging f-18-fluorodeoxyglucose (18F-FDG) positron emission tomography-computed tomography (PET/ CT) scan which showed additional focal abnormal uptake in the right hepatic lobe. The patient was treated for probable metastatic disease. Restaging FDG PET/CT scan revealed resolution of uptake in the head-and-neck and persistent focal uptake in the presumed liver metastasis. An abdominal CT with intravenous contrast revealed an enhancing mass in the gallbladder, without extension into the liver. Cholecystectomy revealed an intracholecystic papillary neoplasm of the gallbladder. The initial appearance of hepatic metastasis was due to a misregistration artifact.",

keywords = "Fluorodeoxyglucose, gallbladder neoplasm, misregistration, positron emission tomography-computed tomography",

author = "Jordan Norman and Elizabeth Ellison and Jamie Kendrick and Jing He and Peeyush Bhargava",

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AU - Ellison, Elizabeth

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AU - He, Jing

AU - Bhargava, Peeyush

PY - 2024

Y1 - 2024

N2 - A 75-year-old male with head-and-neck squamous cell cancer received a staging f-18-fluorodeoxyglucose (18F-FDG) positron emission tomography-computed tomography (PET/ CT) scan which showed additional focal abnormal uptake in the right hepatic lobe. The patient was treated for probable metastatic disease. Restaging FDG PET/CT scan revealed resolution of uptake in the head-and-neck and persistent focal uptake in the presumed liver metastasis. An abdominal CT with intravenous contrast revealed an enhancing mass in the gallbladder, without extension into the liver. Cholecystectomy revealed an intracholecystic papillary neoplasm of the gallbladder. The initial appearance of hepatic metastasis was due to a misregistration artifact.

AB - A 75-year-old male with head-and-neck squamous cell cancer received a staging f-18-fluorodeoxyglucose (18F-FDG) positron emission tomography-computed tomography (PET/ CT) scan which showed additional focal abnormal uptake in the right hepatic lobe. The patient was treated for probable metastatic disease. Restaging FDG PET/CT scan revealed resolution of uptake in the head-and-neck and persistent focal uptake in the presumed liver metastasis. An abdominal CT with intravenous contrast revealed an enhancing mass in the gallbladder, without extension into the liver. Cholecystectomy revealed an intracholecystic papillary neoplasm of the gallbladder. The initial appearance of hepatic metastasis was due to a misregistration artifact.

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KW - misregistration

KW - positron emission tomography-computed tomography

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FDG Avid Intracholecystic Papillary Neoplasm Mimicking Hepatic Metastasis in a Patient with Head-and-neck Cancer

Abstract

Keywords

ASJC Scopus subject areas

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