Classification of positive surgical margins and tumor recurrence after nephron-sparing surgery for small renal masses.

Background: The association of positive margin and local recurrence after nephron-sparing surgery (NSS) remains a notably controversial issue. The aim of the present study was to investigate the relationship between classification of positive surgical margins (PSMs) and tumor recurrence based pathological findings.

Methods: Clinical, pathological, and follow-up data of 600 small renal cancer patients who underwent NSS between November 2007 and November 2017 at four hospitals in China were analyzed retrospectively.

Overexpression of dedicator of cytokinesis 2 correlates with good prognosis in colorectal cancer associated with more prominent CD8 lymphocytes infiltration: a colorectal cancer analysis.

Recently, dedicator of cytokinesis 2 (DOCK2) has been reportedly exhibited high mutation prevalence in the Asian colorectal cancer (CRC) cohort. However, the expression pattern of DOCK2 and its clinical significance in CRC were still unknown. To characterize the role of DOCK2, a tissue microarray (TMA) containing 481 archived paraffin-embedded CRC specimens was performed by immunohistochemistry.

Clinicopathological characteristics of angiofibroma of soft tissue: report of three cases.

Angiofibroma of soft tissue (AFST) is a recently-reported, rare, fibrovascular soft tissue neoplasm that commonly develops in the lower extremities of middle-aged women. Here, we report three cases located in the right temporal lobe of a woman, the left popliteal fossa of a female, and the right lower limb of a male patient, respectively, the former of which is first reported in the light of a literature review owing to its anatomical location. Histological and immunohistochemical features were consistent with the diagnosis of AFST.

Pathological features of transplanted tumor established by CD133 positive TJ905 glioblastoma stem-like cells.

Background: This study is to explore the pathological features of transplanted tumor established by CD133 positive TJ905 glioblastoma stem-like cells.

Methods: CD133 positive TJ905 glioma cells were separated by immunomagnetic beads to isolate glioma stem-like cells. TJ905 cells and stem-like cells were inoculated subcutaneously into the mice to establish model of transplanted tumor, respectively.

[Clinicopathologic characteristics of sporadic renal hemangioblastoma].

Objective: To investigate the clinicopathological characteristics of sporadic renal hemangioblastoma.

Methods: Two cases of sporadic renal hemangioblastoma were studied by histological and immunohistochemical staining, along with review of the literature.

Results: Both cases were presented with a renal mass during annual physical examination with an age of 40 and 45 years, respectively.

MRI diagnosis of perivascular epithelioid cell tumor (PEComa) of the liver.

Introduction: Perivascular epithelioid cell tumor (PEComa) has been rarely reported in the liver.

Patient, Methods And Results: We present a liver PEComa case diagnosed by magnetic resonance imaging (MRI) findings. The patient was incidentally found to have an abnormal mass in the liver.