Asunto(s)
Morfolinas , Urea , Fibrilación Atrial , Humanos , Incidencia , Factores de Riesgo , Urea/análogos & derivadosRESUMEN
Pulmonary artery aneurysms (PAA) are rare. To date there are no cases in the literature describing formation secondary to oesophageal perforation. We present an unusual case of ruptured inflammatory segmental PAA. A patient with oesophageal squamous cell cancer presented with shortness of breath and sepsis following endoscopic dilatation of an oesophageal stricture. Imaging demonstrated oesophageal perforation and a pulmonary parenchymal collection containing an inflammatory PAA. Following initial conservative management, he then re-presented with haemoptysis secondary to PAA rupture. He was treated with embolisation using an Amplatzer® vascular plug (AVP) and went on to make an uneventful recovery.
Asunto(s)
Tumor de Células Granulares/patología , Neoplasias Maxilares/patología , Tumores Odontogénicos/patología , Adulto , Antígenos CD/análisis , Antígenos de Diferenciación Mielomonocítica/análisis , Antígenos de Neoplasias/análisis , Femenino , Tumor de Células Granulares/química , Tumor de Células Granulares/ultraestructura , Humanos , Inmunohistoquímica , Queratinas/análisis , Masculino , Neoplasias Maxilares/química , Neoplasias Maxilares/ultraestructura , Tumores Odontogénicos/química , Tumores Odontogénicos/ultraestructura , Proteínas S100/análisis , Vimentina/análisisRESUMEN
The intraoral blue nevus is a benign, relatively rare lesion that usually occurs in adults and most often in women. The reported case is interesting because the patient was only 11 years old. The lesion, located in the hard palate, was surgically removed. The specimen was sent for histologic examination, resulting in the final diagnosis of common blue nevus.
Asunto(s)
Nevo Azul/diagnóstico , Neoplasias Palatinas/diagnóstico , Niño , Femenino , Humanos , Nevo Azul/cirugía , Neoplasias Palatinas/cirugíaRESUMEN
A case of basaloid squamous carcinoma that involves the posterior buccal mucosa is described. The major histopathologic feature is a carcinoma with a basaloid pattern in association with squamous differentiation. The basaloid cells exhibit large and vesicular nuclei and eosinophilic clear or vacuolated cytoplasm. Cells are distributed in cords, trabeculae, or lobules that occasionally show glandular arrangement. The majority of the tumor cells are positive for keratin and a large group of cells distributed in glandular arrangement are positive also for vimentin.
Asunto(s)
Carcinoma de Células Escamosas/patología , Carcinoma de Células Transicionales/patología , Neoplasias de la Boca/patología , Adulto , Carcinoma de Células Escamosas/química , Carcinoma de Células Transicionales/química , Humanos , Queratinas/análisis , Masculino , Mucosa Bucal/patología , Neoplasias de la Boca/química , Vimentina/análisisRESUMEN
The effects of ultrasound on the wound healing process after teeth extractions were studied histologically. The right upper incisor was extracted in 56 rats. They were divided into 2 groups, one control (I) and one experimental (II). Group II received ultrasound stimulation that was applied with the frequency of repetition of 1,000 Hz and pulse length of 2,000 us continuously, during five minutes daily since the extraction day until 24 hours before the death. The rats were sacrificed at 3, 6, 9, 12, 15, 18, and 21 postoperative days. The results showed a precocious granulation tissue formation, faster remodeling of osseous ridges, and consequently acceleration of the alveolar wound healing process.
Asunto(s)
Extracción Dental , Terapia por Ultrasonido , Cicatrización de Heridas , Proceso Alveolar , Animales , Regeneración Ósea , Incisivo , Ratas , Ratas EndogámicasAsunto(s)
Medroxiprogesterona/análogos & derivados , Glándula Submandibular/efectos de los fármacos , Animales , Castración , Femenino , Medroxiprogesterona/farmacología , Acetato de Medroxiprogesterona , Ratones , Tamaño de los Órganos , Ovario/efectos de los fármacos , Glándula Submandibular/citologíaAsunto(s)
Diente Molar/anomalías , Diente Supernumerario , Adulto , Femenino , Humanos , Masculino , Maxilar , Diente Supernumerario/etiologíaRESUMEN
Described is a case of squamous-cell carcinoma arising in a residual cyst in a 60-year-old edentulous woman. The clinical and radiographic diagnosis was residual cyst, and the treatment employed was conservative surgical enucleation. The cause of these changes is unknown. Theoretically, the inflammatory reaction may have been a predisposing factor.