BACKGROUND A diverticulum is the medical or biological term for outpouching of a hollow structure in the body.It particularly occurs in the digestive system,but rarely occurs in the oral mucosa.CASE SUMMARY This repor...BACKGROUND A diverticulum is the medical or biological term for outpouching of a hollow structure in the body.It particularly occurs in the digestive system,but rarely occurs in the oral mucosa.CASE SUMMARY This report describes a rare case of diverticulum presenting in the buccal mucosa in a 44-year-old woman that was initially diagnosed in Stomatology Hospital,Wuhan University.We made our diagnosis under the guidance of imaging data,and the patient underwent surgical resection.CONCLUSION This report is the first confirmed case of buccal mucosal diverticulum.in addition,we elucidated that in general,idiopathic developmental abnormalities caused by succinate muscle defects are responsible for diverticulum development.展开更多
Multiple lesions commonly appear in the liver of patients with hepatocellular carcinoma(HCC),and the prognosis is associated with the subtype.However,simultaneous occurrence of scirrhous HCC(SHCC)and primary clear cel...Multiple lesions commonly appear in the liver of patients with hepatocellular carcinoma(HCC),and the prognosis is associated with the subtype.However,simultaneous occurrence of scirrhous HCC(SHCC)and primary clear cell carcinoma of the liver(PCCCL)has not been reported to date.The diagnosis of SHCC and PCCCL is uncommon using the traditional imaging examination methods such as ultrasound(US),computed tomography(CT),and magnetic resonance imaging.We herein summarize the imaging features of SHCC and PCCCL to provide a reference for accurate preoperative diagnosis and appropriate treatment.A 55-year-old male was diagnosed with two hepatic tumors by the US examination.On the 2^(nd)day after the US examination,he was diagnosed with HCC with intrahepatic metastasis by enhanced CT examination.His alpha-fetoprotein level was 3272 ng/mL(reference range,0-7 ng/mL).Two weeks after enhanced CT examination,the patient underwent hepatectomy and cholecystectomy.Pathological examination showed that the tumor in liver segments 2 and 3 was SHCC and that the tumor in liver segment 4 was PCCCL.One year postoperatively,digital subtraction angiography showed no obvious tumor staining.Five years postoperatively,enhanced CT examination showed no recurrence or metastasis.Radiologists usually diagnose multiple tumors in the liver as malignant tumors with intrahepatic metastasis.Simultaneous occurrence of SHCC and PCCCL in the liver is occasionally found.The US imaging features,CT enhancement types,and location of the tumors can help radiologists to accurately diagnose SHCC and PCCCL,allowing clinicians to choose appropriate treatment.展开更多
文摘BACKGROUND A diverticulum is the medical or biological term for outpouching of a hollow structure in the body.It particularly occurs in the digestive system,but rarely occurs in the oral mucosa.CASE SUMMARY This report describes a rare case of diverticulum presenting in the buccal mucosa in a 44-year-old woman that was initially diagnosed in Stomatology Hospital,Wuhan University.We made our diagnosis under the guidance of imaging data,and the patient underwent surgical resection.CONCLUSION This report is the first confirmed case of buccal mucosal diverticulum.in addition,we elucidated that in general,idiopathic developmental abnormalities caused by succinate muscle defects are responsible for diverticulum development.
文摘Multiple lesions commonly appear in the liver of patients with hepatocellular carcinoma(HCC),and the prognosis is associated with the subtype.However,simultaneous occurrence of scirrhous HCC(SHCC)and primary clear cell carcinoma of the liver(PCCCL)has not been reported to date.The diagnosis of SHCC and PCCCL is uncommon using the traditional imaging examination methods such as ultrasound(US),computed tomography(CT),and magnetic resonance imaging.We herein summarize the imaging features of SHCC and PCCCL to provide a reference for accurate preoperative diagnosis and appropriate treatment.A 55-year-old male was diagnosed with two hepatic tumors by the US examination.On the 2^(nd)day after the US examination,he was diagnosed with HCC with intrahepatic metastasis by enhanced CT examination.His alpha-fetoprotein level was 3272 ng/mL(reference range,0-7 ng/mL).Two weeks after enhanced CT examination,the patient underwent hepatectomy and cholecystectomy.Pathological examination showed that the tumor in liver segments 2 and 3 was SHCC and that the tumor in liver segment 4 was PCCCL.One year postoperatively,digital subtraction angiography showed no obvious tumor staining.Five years postoperatively,enhanced CT examination showed no recurrence or metastasis.Radiologists usually diagnose multiple tumors in the liver as malignant tumors with intrahepatic metastasis.Simultaneous occurrence of SHCC and PCCCL in the liver is occasionally found.The US imaging features,CT enhancement types,and location of the tumors can help radiologists to accurately diagnose SHCC and PCCCL,allowing clinicians to choose appropriate treatment.
