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1.
Int J Lab Hematol ; 2024 Mar 13.
Artículo en Inglés | MEDLINE | ID: mdl-38477102

RESUMEN

Bone marrow aspirate showed diffuse infiltration by a population of monomorphic cells with scant cytoplasm, markedly increased nuclear-to-cytoplasmic ratio, and numerous indistinct nucleoli. Bone marrow biopsy confirmed extensive marrow infiltration by a malignant neoplasm with strong and diffuse expression of synaptophysin by immunohistochemistry, consistent with metastases from Merkel Cell carcinoma.

2.
J Clin Pathol ; 76(1): 64-67, 2023 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-35292442

RESUMEN

This study aimed to characterise priority or 'rush' surgical pathology requests and identify potentially targetable factors. We performed a retrospective descriptive analysis of rush requests at our institution from 2016 to 2019 and conducted a survey asking pathologists about their perspectives on rush cases. There were 3677 rush cases, with case characteristics generally stable over the study period. Two categories of requests were identified based on hospital status; outpatient requests more frequently provided a specific date for diagnosis, while inpatient rush requests generally required a diagnosis as soon as possible. Most pathologists found rush cases to be somewhat more stressful compared with routine cases (65.2%) and found it very or extremely useful to know when a result is needed (86.9%). The use of hospitalisation status, and identifying if results are required by a certain date, may help in more effective triaging of rush surgical pathology cases.


Asunto(s)
Patología Quirúrgica , Humanos , Estudios Retrospectivos , Hospitales
3.
Radiol Cardiothorac Imaging ; 4(1): e210043, 2022 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-35782756

RESUMEN

Lymphangiomas are rare benign lesions resulting from abnormal proliferation and sequestration of lymphatic tissues that are disconnected from the rest of the lymphatic system. This is a case of a 50-year-old woman with an unusually large mediastinal lymphangioma complicated by hemorrhage. The substantial mass effect and unstable clinical status necessitated urgent operative management. The use of preoperative multimodality radiologic assessment, including CT and MRI, is illustrated throughout this case. Keywords: CT, MR Imaging, Thorax, Lung © RSNA, 2022.

4.
Int J Biol Markers ; 25(1): 32-7, 2010.
Artículo en Inglés | MEDLINE | ID: mdl-20155713

RESUMEN

OBJECTIVE: To analyze the expression of human kallikrein 14 (KLK14) in salivary gland tumors. METHODS: A standard immunoperoxidase staining technique was used to assess the expression profile of KLK14 in normal salivary glands and tumors including pleomorphic adenoma (PA; n=17), adenoid cystic carcinoma (ACC; n=13) and mucoepidermoid carcinoma (MEC; n=9). Tumor stage, grade, patient age and gender, and site of occurrence were recorded. These clinical parameters were correlated with KLK14 levels in malignant tumors. The expression profiles for KLK3, 5, 6, 8 and 13 were also retrieved. RESULTS: Normal salivary glands, PA, ACC and MEC showed strong expression of KLK14 in ductal and non-ductal cells. Both PA and ACC showed higher KLK14 levels than normal glands and MEC tissues. There were no statistically significant associations between levels of KLK14 and clinical parameters. CONCLUSIONS: The differences in the levels of KLK14 suggest that KLKs may aid in the differential diagnosis of salivary gland tumors. The coexpression of KLKs suggests their possible involvement in an enzymatic pathway activated in salivary gland. KLK14 may be a promising new biomarker in salivary gland tumors.


Asunto(s)
Biomarcadores de Tumor/metabolismo , Calicreínas/metabolismo , Neoplasias de las Glándulas Salivales/enzimología , Adenoma Pleomórfico/diagnóstico , Adenoma Pleomórfico/enzimología , Adulto , Anciano , Anciano de 80 o más Años , Carcinoma Adenoide Quístico/diagnóstico , Carcinoma Adenoide Quístico/enzimología , Carcinoma Mucoepidermoide/diagnóstico , Carcinoma Mucoepidermoide/enzimología , Estudios de Casos y Controles , Diagnóstico Diferencial , Femenino , Humanos , Técnicas para Inmunoenzimas , Masculino , Persona de Mediana Edad , Pronóstico , Valores de Referencia , Neoplasias de las Glándulas Salivales/diagnóstico , Glándulas Salivales/enzimología
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