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Percutaneous endoscopic gastrostomy site metastases in head and neck cancer : use of FDG PET-CT

In Diagnostic Interventional Radiology
Contributor(s): Deshpande M | Pathak S | Arora A | Singh N | Shah S | Sharma AR | Rangarajan V | nilpurandare@gmail.com | Purandare NC.
Material type: materialTypeLabelArticleSeries: Vol 14 Issues.Publisher: 2008Description: 88-93.Subject(s): metastasis | neoplasm | head and neck cancer | gastrostomy | positron emission tomography | DDC classification: In: Diagnostic Interventional RadiologySummary: To retrospectively evaluate the utility of positron emission tomography-computed tomography (PETCT) in the diagnosis of percutaneous endoscopic gastroscopy (PEG) site metastases in head and neck cancer. MATERIALS AND METHODS From the database of 250 patients of head and neck cancer who were referred for PET-CT over 2 years (from January 2005 to January 2007), 6 patients who had PEG tube placement were considered for the study. Imaging was performed on a GE Discovery ST PET-CT system after intravenous injection of 370 MBq (10 mCi) of 18F-fluorodeoxyglucose (FDG). RESULTS Intense FDG uptake with an associated soft tissue mass was seen at the PEG site in 3 patients and mild uptake was seen in 2 patients. Biopsy revealed PEG site metastases in 2 patients, abscess in 1 patient, and granulation tissue in 1 patient. Intense uptake with an associated soft tissue mass suggested the diagnosis of metastasis. Stranding of the peristomal fat seen on the CT component of the PET-CT indicated an infec
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Articles Articles Tata Memorial Hospital
(Browse shelf) Available AR11294

To retrospectively evaluate the utility of positron
emission tomography-computed tomography (PETCT)
in the diagnosis of percutaneous endoscopic
gastroscopy (PEG) site metastases in head and neck
cancer.
MATERIALS AND METHODS
From the database of 250 patients of head and neck
cancer who were referred for PET-CT over 2 years
(from January 2005 to January 2007), 6 patients
who had PEG tube placement were considered for
the study. Imaging was performed on a GE Discovery
ST PET-CT system after intravenous injection of 370
MBq (10 mCi) of 18F-fluorodeoxyglucose (FDG).
RESULTS
Intense FDG uptake with an associated soft tissue
mass was seen at the PEG site in 3 patients and mild
uptake was seen in 2 patients. Biopsy revealed PEG
site metastases in 2 patients, abscess in 1 patient,
and granulation tissue in 1 patient. Intense uptake
with an associated soft tissue mass suggested the
diagnosis of metastasis. Stranding of the peristomal
fat seen on the CT component of the PET-CT indicated
an infec

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