ObjectiveA hepatic mesenchymal hamartoma is an uncommon benign tumor in children and little is known about the spectrum of its radiological features. The purpose of this study is to describe the spectrum of radiological features of a hepatic mesenchymal hamartoma in children.Materials and MethodsThirteen children with a pathologically confirmed hepatic mesenchymal hamartoma (M:F = 7:6; mean age, 3 years 2 months) were included in our study. Ultrasonography (US) was performed in nine patients including color and power Doppler US (n = 7). CT scans were performed in all patients. We evaluated the imaging findings of the hepatic mesenchymal hamartomas and the corresponding pathological features.ResultsEach patient had a single tumor (mean diameter: 13 cm [1.8-20 cm]). On CT and/or US, four patients (31%) had a "multiseptated cystic tumor", five patients (38%) had a "mixed solid and cystic tumor", and four patients (31%) had a "solid tumor." The septa of the cystic portion were thin in the multiseptated cystic tumors and irregularly thick in the mixed solid and cystic tumors as seen on US. On a post-contrast CT scan, solid portions or thick septa of the tumors showed heterogeneous enhancement. The amount of hepatocytes was significantly different among the three tumor groups according to the imaging spectrum (p = 0.042).ConclusionA hepatic mesenchymal hamartoma in children can show a wide spectrum of radiological features, from a multiseptated cystic tumor to a mixed solid and cystic tumor, and even a solid tumor.
Introduction:Varying clinical progress and long-term pulmonary sequelae have been associated with different adenoviral serotypes. Objective: The purpose of this study was to determine the association between serotype and clinical profiles of pediatric adenoviral pneumonia cases that occurred in Korea from 1996-1998. Methods: Nasopharyngeal aspirate samples from 44 adenovirus-positive patients presenting with acute severe respiratory disease were sent to reference laboratories for serotyping. Clinical course and chest X-rays were analyzed during the acute phase, and HRCTs were performed during the convalescent phase to identify longterm pulmonary complications. Results: Ad-7 was associated with the most severe clinical course and resultant long-term pulmonary sequelae, followed by milder clinical course and lower frequency of sequelae in Ad-3 cases, and even milder outcomes in children infected with Ad-5. Conclusions: In complicated adenoviral pneumonia, certain serotypes prevail with Ad-7 being the most severe. Continued serotyping with the eventual goal of creating a database for the early diagnosis, treatment and prognostication of adenoviral pneumonia is needed.Please cite this paper as: Callaway Z, Kim SH, Kim JY, Kim DW and Kim C-K. Adenovirus infection with serious pulmonary sequelae in Korean children. Clin Respir J 2011; 5: 92-98.
A testicular carcinoma in intraabdominal undescended testis can mimic other mesenteric or retroperitoneal mass. The identification of pampiniform plexus draining the mass can play an important role in diagnosis of testicular carcinoma in undescended testis. We report a case of seminoma in intraabdominal undescended testis, draining into pampiniform plexus and thrombus within it.
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