Unilateral Diffusely Increased Muscle Uptake of F-18 FDG in a Patient With Hemiparesis Due to Stroke

Gupta, Pushpender; Kota, Gopi; Alavi, Abass; Mintz, Akiva

doi:10.1097/rlu.0b013e3182335f0d

Cited by 4 publications

(2 citation statements)

References 5 publications

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“…8,9 However, authors report increased activity seen in 18 F-FDG PET/CT on right-sided hemiparesis 20 years after a stroke. 10 So, no uptake is probably seen on acute flabby hemiparesis and increased uptake is probably seen on chronic spastic hemiparesis. This case illustrates the connection between GLUT 4 expression and premature muscle fatigability.…”

Section: Figure 1 Amentioning

confidence: 98%

Asymmetric Muscle Activity on 18F-FDG PET/CT

Palard

Carai²,

Roux³

et al. 2015

Clinical Nuclear Medicine

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A 51-year-old man referred to our department to undergo an F-FDG PET/CT to detect primary tumor 7 days after diagnosis of one left brain metastasis on MRI in the aftermath of acute right-sided hemiparesis. F-FDG PET/CT was performed without sufficient fasting period. It showed abnormal uptake in the left apical lung nodule, suspicious for primary tumor. Moreover, F-FDG PET/CT showed extensive skeletal muscle accumulation which was more significant as expected but concerning only the left side of the body. So, acute right-sided hemiparesis was responsible for no muscle uptake, probably explained by denervation and altered muscle energetics.

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Section: Figure 1 Amentioning

confidence: 98%

Asymmetric Muscle Activity on 18F-FDG PET/CT

Palard

Carai²,

Roux³

et al. 2015

Clinical Nuclear Medicine

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“…Diffusely increased 18 F-FDG uptake in muscles, as a PET/ CT artifact, has been described in the following situations: insulin administration (6), voluntary physical activity such as chewing gum, exercise or sexual activity (4,5,7), involuntary physical activity such as labored breathing or muscle spasms (8), post surgical changes (9,10), post radiation inflammation (11), dermatomyositis (12), infection (10,13,14), or post injection (15). Unilateral intense muscle 18 F-FDG uptake is rare and has been described in a few cases such as hemiparesis from stroke (16), in patients with multiple sclerosis (17), due to tracer injections (15) or more commonly in certain head and neck muscles (18). Non-compliance with patient instructions during the uptake phase of 18 F-FDG can cause significant artifacts and recent examples in the literature include smartphone use (19), reading a small book and even tapping the foot (20).…”

mentioning

confidence: 99%

Unilateral Muscle Artifacts due to Non-compliance During Uptake Phase of 18F-FDG PET/CT in an Oncologic Patient

Makis¹,

Hudson²

2018

Mirt

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A 49-year-old male patient with a prior history of poor compliance with medical appointments was referred for an 18 F-fluoro-2-deoxy-D-glucose ( 18 F-FDG) positron emission tomography/computed tomography (PET/CT) for the staging of a rectal squamous cell carcinoma. The PET/CT showed unilateral diffuse skeletal muscle 18 F-FDG uptake as well as bilateral salivary gland uptake artifacts, suggestive of non-compliance with patient preparation instructions. The PET/CT nurse noted that during the 18 F-FDG uptake phase, the patient appeared intoxicated, and she found two beer cans hidden in the waste disposal beside his chair just prior to imaging. The patient only admitted to eating a cookie approximately 30 minutes after the injection of 18 F-FDG PET/CT and denied consuming alcohol during the uptake phase. We present the imaging findings of non-compliance with patient instructions during the uptake phase of 18 F-FDG.

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Diffuse 18F-FDG Muscle Uptake in Trichinella spiralis Infection

Deroose

Weehaeghe²,

Tousseyn³

et al. 2016

Clinical Nuclear Medicine

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Two patients were referred to our emergency department with myalgia, fever, general malaise, eosinophilia, and elevated serum levels of creatine kinase and troponin T. 18F-FDG PET/CT scan was performed showing a diffuse and homogenous moderately elevated glucose uptake in all muscle groups. Trichinella spiralis infection was confirmed by a muscle biopsy and detection of trichinella antibodies. The muscle biopsy was taken in the left quadriceps because of equal involvement of the skeletal muscles. The differential diagnosis of diffuse 18F-FDG muscle uptake should include trichinella infection, in particular, in the presence of infectious symptoms, eosinophilia, and biochemical signs of muscle damage.

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Unilateral Diffusely Increased Muscle Uptake of F-18 FDG in a Patient With Hemiparesis Due to Stroke

Cited by 4 publications

References 5 publications

Asymmetric Muscle Activity on 18F-FDG PET/CT

Asymmetric Muscle Activity on 18F-FDG PET/CT

Unilateral Muscle Artifacts due to Non-compliance During Uptake Phase of 18F-FDG PET/CT in an Oncologic Patient

Diffuse 18F-FDG Muscle Uptake in Trichinella spiralis Infection

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