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MicroRNA expression patterns in adrenocortical carcinoma variants and clinical pathologic correlations.
Our aim was to assess the expression of 5 selected miRNAs (IGF2 gene-related miR-483-3p and 5p and hypoxia-induced miR-210, miR-195, and miR-1974) in a series of 51 ACCs (35 classical, 6 myxoid, and 10 oncocytic) as compared with clinical and pathologic features and immunohistochemical expression of...
Targeted gene analysis: increased B-cell lymphoma 6 in preeclamptic placentas.
We designed our own gene array containing genes involved in various signaling transduction pathways and analyzed placental samples from patients with preeclampsia and controls. We verify that genes associated with angiogenesis and migration pathways are mostly altered in preeclamptic placentas. Inte...
Activation of the Akt/mammalian target of rapamycin pathway in myxofibrosarcomas.
We conducted a large-scale examination of the clinicopathological and activation statuses of the Akt/mTOR pathways in myxofibrosarcoma. The phosphorylation status of Akt, mTOR, S6 ribosomal protein, and the eukaryotic translation initiation factor 4E-binding protein, and mitogen-activated protein ki...
Intratumoral heterogeneous amplification of ERBB2 and subclonal genetic diversity in gastric cancers revealed by multiple ligation-dependent...
A humanized monoclonal antibody against ERBB2 is used in neoadjuvant therapy for patients with gastric cancer. A critical factor in determining patient eligibility and predicting outcomes of this therapy is the intratumoral heterogeneity of ERBB2 amplification in gastric adenocarcinomas. The aims of...
Composite lymphoid neoplasm of B-cell and T-cell origins: a pathologic study of 14 cases.
We retrospectively analyzed 14 composite lymphoma/lymphoid neoplasms (CL) of B-cell/T-cell origins. These consisted of a spectrum of T-cell neoplasms in combination with different B-cell lymphomas/leukemias, with peripheral T-cell lymphoma and diffuse large B-cell lymphoma encountered most frequentl...
African Americans with oropharyngeal carcinoma have significantly poorer outcomes despite similar rates of human papillomavirus-mediated car...
We examined racial disparities among 102 oropharyngeal carcinoma (OPC) patients (30 African Americans and 72 whites) comparing rates of transcriptionally active human papillomavirus (HPV)16/18 and p16(INK4a) overexpression, with times to disease progression and disease-specific survival (DSS). Expre...
TP53 mutations of intestinal metaplasia--reply.
High-stage urachal adenocarcinoma can be associated with microsatellite instability and KRAS mutations.
Our UAC series showed mutual exclusivity of MSI and KRAS mutations. Furthermore, our UAC cases with KRAS mutations showed markedly better overall survival (mean, 101.7 versus 6.5 months; P = .035). Thus, our study justifies ancillary testing for MSI and KRAS in UAC, particularly when there is high-s...
Cavitary pulmonary coccidioidomycosis: pathologic and clinical correlates of disease.
Cavitary pulmonary coccidioidomycosis is a difficult diagnosis to establish due to the poor sensitivity of serological tests and rarity of culture from sputum. A pathologic and clinical analysis was performed of 21 consecutive patients with surgically resected cavities that proved to be coccidioidom...
Ovarian complete hydatidiform mole: case study with molecular analysis and review of the literature.
We present a case of ovarian complete hydatidiform mole in a 20-year-old gravida 2 para 1 woman. At presentation, the patient underwent excision of a hemorrhagic left ovarian cyst, with routine sections demonstrating a hemorrhagic corpus luteum with a single microscopic focus of detached atypical tr...