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Extracranial bone metastases from recurrent anaplastic astrocytoma on FDG PET/CT: A case report a care-compliant article.

Abstract Extracranial bone metastases from astrocytoma are rare and frequently detected as part of multiorgan metastases. It is extremely rare for astrocytoma to have extracranial bone metastases alone. The importance of whole-body fluorodeoxyglucose positron emission tomography/computed tomography (FDG PET/CT) imaging in evaluating extracranial metastasis (ECMs) has not been described effectively due to the rarity of this event. The purpose of our case report is to emphasize the role of FDG PET/CT in the assessment of tumor recurrence and extracranial bone metastases from anaplastic astrocytoma.
PMID
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Authors

Mayor MeshTerms
Keywords
Journal Title medicine
Publication Year Start




PMID- 28591062
OWN - NLM
STAT- MEDLINE
DA  - 20170607
DCOM- 20170706
LR  - 20170706
IS  - 1536-5964 (Electronic)
IS  - 0025-7974 (Linking)
VI  - 96
IP  - 23
DP  - 2017 Jun
TI  - Extracranial bone metastases from recurrent anaplastic astrocytoma on FDG PET/CT:
      A case report a care-compliant article.
PG  - e7123
LID - 10.1097/MD.0000000000007123 [doi]
AB  - OBJECTIVE: Extracranial bone metastases from astrocytoma are rare and frequently 
      detected as part of multiorgan metastases. It is extremely rare for astrocytoma
      to have extracranial bone metastases alone. The importance of whole-body
      fluorodeoxyglucose positron emission tomography/computed tomography (FDG PET/CT) 
      imaging in evaluating extracranial metastasis (ECMs) has not been described
      effectively due to the rarity of this event. The purpose of our case report is to
      emphasize the role of FDG PET/CT in the assessment of tumor recurrence and
      extracranial bone metastases from anaplastic astrocytoma. METHODS AND MATERIALS: 
      A 25-year-old woman was firstly admitted with a 4-month history of progressive
      blurred vision, and 2-month history of intermittent headache. Presurgical MRI
      imaging revealed a large mass in the left trigone of lateral ventricle.
      Subsequently, she underwent tumor resection, radiotherapy and chemotherapy. A
      final pathological diagnosis of anaplastic astrocytoma (WHO III) was made. Nearly
      12 months after the surgery, the follow-up brain MR imaging revealed a
      contrast-enhanced lesion in the site of operative region. Whole-body FDG PET/CT
      imaging was performed to evaluate the situation. RESULTS: Postoperative brain FDG
      PET/CT showed an abnormal focal FDG uptake corresponding to the contrast-enhanced
      lesion in the operative area, suggesting a tumor recurrence. Whole-body FDG
      PET/CT also showed multiple FDG-avid osteosclerotic lesions in the body. It was
      highly suggestive of extracranial bone metastases. A subsequent open bone biopsy 
      of FDG-avid lesion in right iliac crest was performed. Histopathological and
      immunohistochemical findings indicated characteristic of glioma. The patient died
      1 month later, nearly 13 months after the initial diagnosis. CONCLUSIONS: ECMs
      from anaplastic astrocytoma are extremely rare but they do occur. Whole-body FDG 
      PET/CT imaging with inclusion of brain was valuable in differentiating tumor
      recurrence from radiation necrosis and in detecting uncommon extracranial bone
      metastases from anaplastic astrocytoma, which were closely related to prognosis
      of this disease.
FAU - Li, Zu-Gui
AU  - Li ZG
AD  - aDepartment of Nuclear Medicine bDepartment of Oncology, Pingjin Hospital,
      Logistics university of Chinese People's Armed Police Force, Tianjin, People's
      Republic of China.
FAU - Mu, Hai-Yu
AU  - Mu HY
LA  - eng
PT  - Case Reports
PT  - Journal Article
PL  - United States
TA  - Medicine (Baltimore)
JT  - Medicine
JID - 2985248R
RN  - 0 (Radiopharmaceuticals)
RN  - 0Z5B2CJX4D (Fluorodeoxyglucose F18)
SB  - AIM
SB  - IM
MH  - Adult
MH  - Astrocytoma/*diagnostic imaging/*pathology/therapy
MH  - Bone Neoplasms/*diagnostic imaging/*secondary/therapy
MH  - Brain Neoplasms/*diagnostic imaging/*pathology/therapy
MH  - Fatal Outcome
MH  - Female
MH  - Fluorodeoxyglucose F18
MH  - Humans
MH  - Neoplasm Recurrence, Local/diagnostic imaging/therapy
MH  - Positron Emission Tomography Computed Tomography
MH  - Radiopharmaceuticals
MH  - Whole Body Imaging
PMC - PMC5466240
EDAT- 2017/06/08 06:00
MHDA- 2017/07/07 06:00
CRDT- 2017/06/08 06:00
AID - 10.1097/MD.0000000000007123 [doi]
AID - 00005792-201706090-00038 [pii]
PST - ppublish
SO  - Medicine (Baltimore). 2017 Jun;96(23):e7123. doi: 10.1097/MD.0000000000007123.