Agonist Trap Unmasked: 68Ga-DOTANOC Fibroid Mimicry Resolved by 68Ga-NODAGA-JR11 Antagonist PET [0.03%]
揭穿激动剂陷阱：68Ga-DOTANOC肌瘤模仿效应被68Ga-NODAGA-JR11拮抗剂PET解析
Mehul Taggar,Shamim A Shamim,Ronak Jain et al.
Mehul Taggar et al.
A 22-year-old woman with a neuroendocrine tumor underwent 68Ga-DOTANOC PET/CT, revealing incidental uterine fibroid uptake mimicking pelvic metastasis. The fibroid's hyperavidity posed diagnostic ambiguity, indistinguishable from low-grade ...
Na Qi,Jie Ding
Na Qi
A 48-year-old woman with a history of colon cancer presented with abdominal pain and elevated tumor markers. She underwent 68Ga-FAPI and 18F-FDG PET/MR examinations. FAPI imaging revealed focal uptake in both adnexal regions, while no abnor...
Solitary Pancreatic Metastasis From Dermatofibrosarcoma Protuberans: A Diagnostic Challenge Mimicking Primary Pancreatic Carcinoma [0.03%]
孤立性胰腺皮纤维瘤病转移灶：类似原发性胰腺癌的诊断难题
Zeyu Zhang,Changjing Zuo,Xia Zhou et al.
Zeyu Zhang et al.
A 56-year-old man presented with hyperglycemia and weight loss. Imaging revealed a pancreatic head mass with features suggestive of primary pancreatic carcinoma. 18F-FDG PET/CT confirmed a hypermetabolic lesion without evidence of distant m...
Focal False-Positive 18F-MFBG Uptake in the Kidney Attributable to Renal Infarction in a Pediatric Patient With Pheochromocytoma [0.03%]
嗜铬细胞瘤患儿肾梗死所致氟脱氧葡萄糖类似物18F-MFBG显像假阳性灶的机制分析
Siqi Li,Keyu Zhang,Bingyan Zhang et al.
Siqi Li et al.
A 10-year-old boy was enrolled in our clinical trial. He underwent 18F-MFBG PET/CT imaging for the differential diagnosis of a right adrenal lesion, which revealed moderate 18F-MFBG uptake in the lesion with a central photopenic defect. Con...
68Ga-PSMA Scintigraphy of Cervicothoracic Ganglioneuroma [0.03%]
68镓-PSMA显像 cervicothoracic ganglioneuroma
Zeinab Amirkhani,Amin Saber Tanha,Ramin Sadeghi et al.
Zeinab Amirkhani et al.
We present a case illustrating a diagnostic pitfall on 68Ga-PSMA PET/CT in a 67-year-old man with newly diagnosed prostate adenocarcinoma (Gleason score 4 + 3). Staging imaging demonstrated a solitary, distant PSMA-avid focus at the thoraci...
Jiani He,Xue Zhang,Aisheng Dong
Jiani He
A 33-year-old woman, who underwent right salpingo-oophorectomy with total hysterectomy for right ovarian yolk sac tumor 28 months ago, was referred for FDG PET/CT to evaluate possible left ovarian metastasis detected on CT. FDG PET/CT showe...
FDG-Avid But FAPI-Negative Intramucosal Carcinoma in a Colorectal Adenoma [0.03%]
colorectal腺瘤中的FDG-avid但FAPI阴性的黏膜内癌
Shinobu Adaniya,Masao Murakami,Toshimitsu Momose
Shinobu Adaniya
Fibroblast activation protein inhibitor (FAPI) PET targets cancer-associated fibroblasts and has demonstrated high uptake in advanced colorectal cancer. However, its performance in early lesions remains unclear. A man in his 70s underwent F...
The Alien Antenna Sign: Physiological ⁶⁸Ga-FAPI Uptake in the Round Ligament [0.03%]
外星天线征：生理性的⁶⁸Ga-FAPI round ligament摄取
Sharjeel Usmani,Khulood Al Riyami,Anjali Jain et al.
Sharjeel Usmani et al.
68Ga-FAPI PET/CT has emerged as a promising molecular imaging modality targeting cancer-associated fibroblasts, rather than tumor cells. We report a novel physiological uptake pattern on 68Ga-FAPI PET/CT in a 56-year-old woman with newly di...
FDG PET/CT in a Case of Primary Bilateral Adrenal Dedifferentiated Liposarcoma [0.03%]
原发性双侧肾上腺去分化脂肪肉瘤病例的氟脱氧葡萄糖正电子发射断层扫描及计算机体层摄影诊断价值
Yuyin Dai,Zexuan Pan,Dongze Li et al.
Yuyin Dai et al.
Primary adrenal liposarcoma is very rare, accounting for only 0.2% of primary adrenal tumors. Primary bilateral adrenal liposarcoma is even rarer. We describe FDG PET/CT findings in a case of primary bilateral adrenal dedifferentiated lipos...
Focal Small Bowel FDG Uptake in Cancer Patients Undergoing PET/CT: Prevalence and Etiology [0.03%]
FDG小肠局灶性摄取在行正电子发射断层扫描/计算机断层扫描的癌症患者中的流行率和病因学研究
Charlotte Charbel,Sungmin Woo,Anton S Becker et al.
Charlotte Charbel et al.
Purpose of the report: To determine the prevalence, etiology, and clinical significance of incidental focal small bowel FDG uptake in patients undergoing PET/CT for staging of non-small bowel cancers. ...