MRI-based Bosniak Classification of Cystic Renal Masses, Version 2019: Interobserver Agreement, Impact of Readers' Experience, and Diagnostic Performance.

Background The 2019 Bosniak classification (version 2019) of cystic renal masses (CRMs) provides a systematic update to the currently used 2005 Bosniak classification (version 2005). Further validation is required before widespread application. Purpose To evaluate the interobserver agreement of MRI criteria, the impact of readers' experience, and the diagnostic performance between version 2019 and version 2005.

Percutaneous microwave ablation of renal cell carcinoma: practice guidelines of the ultrasound committee of Chinese medical association, interventional oncology committee of Chinese research hospital association.

Imaging-guided percutaneous microwave ablation (MWA) with high thermal efficiency comprises rapid, successful management of small renal cell carcinomas (RCCs) in selected patients. Ultrasound Committee of Chinese Medical Association, Interventional Oncology Committee of Chinese Research Hospital Association developed evidence-based guidelines for MWA of RCCs after systematically reviewing the 1969-2019 literature. Systematic reviews, meta-analyses, randomized controlled trials, cohort, and case-control studies reporting MWA of RCCs were included and levels of evidence assessed.

Multiparametric MRI Radiomic Model for Preoperative Predicting WHO/ISUP Nuclear Grade of Clear Cell Renal Cell Carcinoma.

Background: Nuclear grade is of importance for treatment selection and prognosis in patients with clear cell renal cell carcinoma (ccRCC).

Purpose: To develop and validate an MRI-based radiomic model for preoperative predicting WHO/ISUP nuclear grade in ccRCC.

Study Type: Retrospective.

Contrast-enhanced ultrasound in detecting wall invasion and differentiating bland from tumor thrombus during robot-assisted inferior vena cava thrombectomy for renal cell carcinoma.

Background: Vena cava thrombus is one of the main clinical manifestations of locally aggressive renal cell carcinoma (RCC). Inferior vena cava (IVC) wall invasion and presence of bland thrombus could affect the surgical outcome. This study aims to assess the value of contrast-enhanced ultrasound (CEUS) in detecting wall invasion and differentiating bland thrombus from tumor thrombus during robot-assisted IVC thrombectomy for RCC.

Dynamic Contrast-enhanced MRI in Renal Tumors: Common Subtype Differentiation using Pharmacokinetics.

Preoperative renal tumor subtype differentiation is important for radiology and urology in clinical practice. Pharmacokinetic data (K & V , etc.) derived from dynamic contrast-enhanced MRI (DCE-MRI) have been used to investigate tumor vessel permeability.

Dynamic Contrast-enhanced MR Imaging in Renal Cell Carcinoma: Reproducibility of Histogram Analysis on Pharmacokinetic Parameters.

Pharmacokinetic parameters derived from dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) have been increasingly used to evaluate the permeability of tumor vessel. Histogram metrics are a recognized promising method of quantitative MR imaging that has been recently introduced in analysis of DCE-MRI pharmacokinetic parameters in oncology due to tumor heterogeneity. In this study, 21 patients with renal cell carcinoma (RCC) underwent paired DCE-MRI studies on a 3.

[Clinical and pathologic characteristics of small cell neuroendocrine carcinoma of urinary tract].

Objective: To study the clinical and pathologic characteristics of small cell neuroendocrine carcinoma of urinary tract.

Methods: All cases of urinary tract carcinoma encountered in the General Hospital of People Liberation Army during the period from 1999 to 2010 were retrospectively reviewed. The clinicopathologic data of small cell neuroendocrine carcinomas were further analyzed, with literature review.

[Pathologic diagnosis and differential diagnosis of small cell neuroendocrine carcinoma of kidney].

Objective: To study the clinicopathologic features and histologic differential diagnosis of small cell neuroendocrine carcinoma (SmCC) of kidney.

Methods: The clinicopathologic features of 12 cases of SmCC of kidney encountered during the period from 1999 to 2010 were retrospectively reviewed.

Results: Six cases of primary and 6 cases of metastatic SmCC involving kidney were identified.

[Expression of glypican-3, hepatocyte antigen, alpha-fetoprotein, CD34 and CD10 in hepatocellular carcinoma: a clinicopathologic analysis of 375 cases].

Objective: To explore prognostic factors and the expression of glypican-3, hepatocyte antigen (HEP), alpha-fetoprotein (AFP), CD34 and CD10 in hepatocellular carcinoma (HCC) and their prognostic value.

Methods: Clinicopathologic data were analyzed in 375 cases of HCC, in which 80 cases with follow-up were examined by immunohistochemical staining to detect the expression of glypican-3, HEP, AFP, CD34 and CD10 proteins. The relationship between the proteins expression and clinicopathologic features was also evaluated.

Pseudomyxoma peritonei of 92 Chinese patients: clinical characteristics, pathological classification and prognostic factors.

Aim: To assess the clinicopathologic features and its relationship with prognosis of pseudomyxoma peritonei (PMP) in Chinese patients.

Methods: The clinicopathologic features and follow-up data of 92 patients with PMP were reviewed and retrospectively analyzed. The cases were categorized into three groups: disseminated peritoneal adenomucinosis (DPAM), peritoneal mucinous carcinomatosis (PMCA), and peritoneal mucinous carcinomatosis with intermediate or discordant features (PMCA-I/D).

[Expression of granulocyte colony stimulating factor in patients with non-small cell lung cancer and its clinicopathological significance].

Objective: To examine granulocyte colony stimulating factor (G-CSF) expression in human non-small cell lung cancer (NSCLC) as well as discuss its clinicopathological significance.

Methods: Specimens were obtained from 114 cases (53 cases with granulocyte infiltration) diagnosed pathologically as NSCLC in General Hospital of PLA. Paraffin-embedded tissues from these 114 cases of NSCLC were examined for expression of G-CSF by immunohistochemical staining.

Histological origin of pseudomyxoma peritonei in Chinese women: clinicopathology and immunohistochemistry.

Aim: To investigate the histological origin of pseudomyxoma peritonei (PMP) in Chinese women.

Methods: The clinical and pathological data were reviewed for 35 women with PMP, and specimens of the peritoneal, appendiceal and ovarian lesions of each patient were examined using the PV-6000 immunohistochemistry method. Antibodies included cytokeratin (CK)7, CK20, mucin (MUC)-1, MUC-2, carbohydrate antigen (CA)-125, estrogen receptor (ER), and progesterone receptor (PR).

[CT characteristics of primary salivary gland-type lung cancer].

Objective: To improve the diagnostic accuracy of primary salivary gland-type lung cancer on CT.

Methods: The CT findings of 13 pathologically proven primary salivary gland-type lung cancers (mucoepidermoid carcinoma, n = 8, adenoid cystic carcinoma, n = 5) were retrospectively analyzed.

Results: Three mucoepidermoid carcinomas were located in the main bronchus, 4 in segmental bronchus, and 1 in peripheral lung.

[Clinicopathologic features of hepatocellular carcinoma: an analysis of 185 cases].

Objective: To analyze the clinicopathologic features and prognostic factors of hepatocellular carcinoma.

Methods: Clinicopathological data of 185 cases of hepatocellular carcinoma treated in our hospital between 2000 and 2005 were collected and their follow up information was obtained. The clinicopathological features and prognostic factors were analyzed by Kaplan-Meier and multivariate Cox regression analysis.

Perivascular epithelioid cell tumors of the laryngopharynx: three case reports and literature review.

Perivascular epithelioid cell tumor (PEComa) of the laryngopharynx is extremely rare, and no such descriptions have been reported in the literature. This study describes the clinical, histological, and immunohistochemical features of three cases of laryngopharynx PEComa. The patients (two males and one female) were 38, 42, and 47 years old, respectively.

Clinicopathologic analysis of 4 perivascular epithelioid cell tumors (PEComas) of the gastrointestinal tract.

This study describes the clinical, histologic, and immunohistochemical features of four cases of GI PEComa. The size of the tumors ranged from 3.5 to 6.

[Histologic classification and prognostic implication of pseudomyxoma peritonei].

Objective: To clarify the various diagnostic connotations of pseudomyxoma peritonei (PMP) and to study their prognostic implications.

Methods: Clinicopathologic features and follow-up data of 40 patients with PMP diagnosed in The General Hospital of PLA were retrospectively reviewed. The cases were histologically classified into 3 subcategories: disseminated peritoneal adenomucinosis (DPAM), peritoneal mucinous carcinomatosis (PMCA), and PMCA with intermediate or discordant features (PMCA-I/D).

[Relationship between oxidized lipoprotein, angiogenesis and human coronary atherosclerotic plaque stabilization].

Objectives: To analyze the relationship between oxidized low density lipoprotein (oxLDL), angiogenesis and stabilization of atherosclerotic plaques in human coronary arteries; and to investigate the role of oxLDL in creating vulnerable sites in atherosclerotic plaques.

Methods: Samples of coronary arteries were obtained at autopsies of 42 patients with acute coronary syndrome. Eighty randomly selected blocks were studied by immunohistochemistry using antibodies against oxLDL and endothelial cells (factor VIII).

[Angiogenesis in coronary atherosclerotic plaques and its relationship to plaque stabilization].

Objective: To compare the angiogenesis in unstable and stable plaques and to investigate the potential role of neovessels in creating vulnerable sites for atherosclerotic plaques.

Methods: Specimens of coronary arteries were obtained from 52 autopsy cases with acute coronary syndromes. Plaque morphology was studied by use of stained slides.