Results: 22

Actinic keratoses: review of clinical, dermoscopic, and therapeutic aspects

An. bras. dermatol; 94 (6), 2019
Abstract Actinic keratoses are dysplastic proliferations of keratinocytes with potential for malignant transformation. Clinically, actinic keratoses present as macules, papules, or hyperkeratotic plaques with an erythematous background that occur on photoexposed areas. At initial stages, they may be bett...

Rare case of sarcomatoid squamous cell carcinoma arising in an ovarian mature teratoma

Abstract Although mature cystic teratoma (MCT) is benign, malignant transformation (MT) occurs in ~ 1% to 2% of all cases, and usually consists of squamous cell carcinoma (SCC), which accounts for ~ 80% of the cases. Spindle-cell (sarcomatoid) carcinoma (SCSC) is an uncommon type of SCC, comprising up to...

The role of endoscopic ultrasound in the staging of tracheal neoplasm: a brief review

SUMMARY Our case report shows the complexity of dealing with tracheal tumors, highlighting the importance of the method used for staging. In this report, endoscopic ultrasound (EUS) was crucial to identify the involvement of the esophageal muscular propria in a tracheal tumor and change the surgical plan...

Estesioneuroblastoma Olfatorio: Presentacion De Un Caso

Rev. méd. Panamá; 39 (2), 2019
Se presenta un caso de una paciente con pérdida de peso, congestión nasal epistaxis, aumento de volumen en cuello con disfagia a sólidos y líquidos de 1 mes de evolución. La tomografía de cuello muestra una masa de tejidos blandos en la base de cuello con erosión del esfenoides con extensión a...

¿Permiten la citología, el genotipado y la anoscopia de alta resolución establecer un protocolo para la detección precoz del carcinoma epidermoide de canal anal en población de riesgo?

Rev. chil. cir; 70 (6), 2018
Introducción: El cáncer anal ha experimentado un aumento de incidencia en los últimos años. Está mediado por el VPH y precedido de cambios precancerosos planteando la posibilidad de dirigir los esfuerzos preventivos hacia los grupos de alto riesgo. Sigue siendo controvertida la indicación de cribad...

Presentación atípica de neoplasia pulmonar: lesiones quísticas pulmonares "no siempre benignas"

Rev. méd. Chile; 146 (10), 2018
Background:: Pulmonary cystic nodules are a relatively frequent finding in chest computed tomography (CT). There is a possible association between this finding and lung cancer. Aim: To report eight patients with malignant lung cystic lesions. Material and Methods: Retrospective analysis of images in a ...

New method of sentinel lymph node biopsy in transoral robotic surgery for oropharyngeal squamous cell carcinoma

Clinics; 73 (supl.1), 2018

Sarcoma fusocelular de laringe
Fusocellular sarcoma of the larynx

Rev. cuba. med. mil; 46 (1), 2017
El cáncer representa un problema de salud a nivel mundial dentro de las enfermedades crónicas no trasmisibles y es una de las primeras causas de muerte en la sociedad actual. El cáncer de laringe forma parte de los tumores malignos de cabeza y cuello, siendo el tipo histológico más frecuente el carc...

Metaplastic squamous cell carcinoma of the breast: A case report and literature review

Summary Metaplastic tumors are rare and represent a heterogeneous group of neoplasms showing dominant areas of non-glandular differentiation. Etiology and pathogenesis of this type of lesion in the breast is uncertain. The most common sources of metastatic squamous cell carcinoma of the breast are lung, ...

Synchronous gynecologic cancer and the use of imaging for diagnosis

Summary Endometrial and cervical cancers are the most prevalent gynecologic neoplasms. While endometrial cancer occurs in older women, cervical cancer is more prevalente in young subjects. The most common clinical manifestation in these two gynecological cancers is vaginal bleeding. In the first case, di...