Objective： To explore the value of magnetic resonance imaging （MRI） in diagnosis of occupying lesions in cerebellopontine angle area. Methods： MRI records of 78 patients with pathologically confirmed occupied lesi...Objective： To explore the value of magnetic resonance imaging （MRI） in diagnosis of occupying lesions in cerebellopontine angle area. Methods： MRI records of 78 patients with pathologically confirmed occupied lesions in cerebellopontine angle area were analyzed. Results： Of the 78 cases, 48 （61.5%） were unilateral acoustic neuroma, 5 （6.4%） were bilateral acoustic neuroma, 12 （15.4%） were meningioma, 4 （5.1%） were trigeminal neuroma, 3 （3.8%） were lipoma, 2 （2.6%） were melanoma, and 1 （1.3%） was medulloblastoma. According to the anatomic site, tumor lesion character, and MRI signal, the majority of cerebellopontine angle area tumors were diagnosed accurately. Conclusion： MRI plays an important role in diagnosis of occupying lesions in cerebellopontine angle area.展开更多
Drug-induced liver injury(DILI)is defined as injury to the liver caused by exposure to a drug or some drugs.The number of cases suffering from DILI has been increased.There are few clinical features specifically assoc...Drug-induced liver injury(DILI)is defined as injury to the liver caused by exposure to a drug or some drugs.The number of cases suffering from DILI has been increased.There are few clinical features specifically associated with DILI.The recognition and diagnosis of DILI is difficult.In this report,we have described a DILI case caused by herbal remedies.展开更多
BACKGROUND Renal papillary necrosis(RPN)is a rare disease.It is difficult to distinguish RPN with urinary tract obstruction from upper urinary tract occupying lesions.We reported a case of RPN and made a definite diag...BACKGROUND Renal papillary necrosis(RPN)is a rare disease.It is difficult to distinguish RPN with urinary tract obstruction from upper urinary tract occupying lesions.We reported a case of RPN and made a definite diagnosis largely based upon its endoscopic characteristics.CASE SUMMARY A 75-year-old woman presented with right flank pain,visible hematuria and a body temperature greater than 39℃.Laboratory investigations revealed leukocytosis with 12.7×10/L white blood cells and 93.6%neutrophils.Blood creatinine was 333 umol/L.Ultrasonography showed hydronephrosis of the right kidney and a right distal ureteric lesion.After urgent placement of right ureteral double J stent and treatment with antibiotics,the patient’s symptoms and the blood abnormalities improved rapidly.Computed tomography urography showed the presence of multiple occupying lesions in the right pelvis.The endoscopic ureteroscopy revealed that renal papillary necrosis and the subsequent migration of sloughed papillae into the upper ureter and calyces.The sloughed papillae appeared like“cottons”,which were whitish,soft,and irregularly-shaped without blood supply.In addition,the necrotic and sloughed renal papillae were removed by flexible ureteroscopy to prevent further obstruction.Pathological examination found that infarcted renal papillae were associated with inflammatory exudation.Three months after discharge,follow-up computed tomography urography showed no obvious lesions in the renal pelvis.CONCLUSION This case revealed the endoscopic features of RPN.In addition,flexible ureteroscopy proves to be vital in diagnosis and treatment of RPN.展开更多
文摘Objective： To explore the value of magnetic resonance imaging （MRI） in diagnosis of occupying lesions in cerebellopontine angle area. Methods： MRI records of 78 patients with pathologically confirmed occupied lesions in cerebellopontine angle area were analyzed. Results： Of the 78 cases, 48 （61.5%） were unilateral acoustic neuroma, 5 （6.4%） were bilateral acoustic neuroma, 12 （15.4%） were meningioma, 4 （5.1%） were trigeminal neuroma, 3 （3.8%） were lipoma, 2 （2.6%） were melanoma, and 1 （1.3%） was medulloblastoma. According to the anatomic site, tumor lesion character, and MRI signal, the majority of cerebellopontine angle area tumors were diagnosed accurately. Conclusion： MRI plays an important role in diagnosis of occupying lesions in cerebellopontine angle area.
文摘Drug-induced liver injury(DILI)is defined as injury to the liver caused by exposure to a drug or some drugs.The number of cases suffering from DILI has been increased.There are few clinical features specifically associated with DILI.The recognition and diagnosis of DILI is difficult.In this report,we have described a DILI case caused by herbal remedies.
文摘BACKGROUND Renal papillary necrosis(RPN)is a rare disease.It is difficult to distinguish RPN with urinary tract obstruction from upper urinary tract occupying lesions.We reported a case of RPN and made a definite diagnosis largely based upon its endoscopic characteristics.CASE SUMMARY A 75-year-old woman presented with right flank pain,visible hematuria and a body temperature greater than 39℃.Laboratory investigations revealed leukocytosis with 12.7×10/L white blood cells and 93.6%neutrophils.Blood creatinine was 333 umol/L.Ultrasonography showed hydronephrosis of the right kidney and a right distal ureteric lesion.After urgent placement of right ureteral double J stent and treatment with antibiotics,the patient’s symptoms and the blood abnormalities improved rapidly.Computed tomography urography showed the presence of multiple occupying lesions in the right pelvis.The endoscopic ureteroscopy revealed that renal papillary necrosis and the subsequent migration of sloughed papillae into the upper ureter and calyces.The sloughed papillae appeared like“cottons”,which were whitish,soft,and irregularly-shaped without blood supply.In addition,the necrotic and sloughed renal papillae were removed by flexible ureteroscopy to prevent further obstruction.Pathological examination found that infarcted renal papillae were associated with inflammatory exudation.Three months after discharge,follow-up computed tomography urography showed no obvious lesions in the renal pelvis.CONCLUSION This case revealed the endoscopic features of RPN.In addition,flexible ureteroscopy proves to be vital in diagnosis and treatment of RPN.
