Pyogenic granuloma is a reactive hyperplasia of connective tissue in response to local irritants. It is a tumourlike growth of the oral cavity, frequently located surrounding the anterior teeth or skin that is considered to be neoplastic in nature. It usually arises in response to various stimuli such as low-grade local irritation, traumatic injury, hormonal factors, or certain kinds of drugs. ...

ity of nonfundic gland gastric polyps found incidentally at endoscopy [1]. Ma− lignant transformation has been reported in hyperplastic polyps but invasive carci− noma is rare [2]. A 63−year−old female was referred for routine screening colonoscopy and eso− phagogastroduodenoscopy because of pernicious anemia diagnosed 10 years previously. Upper gastrointestinal endos− copy revealed a 3 cm beni...

Gastric protruding lesions are frequently encountered by health screening esophagogastroduodenoscopy. They can be classified into epithelial lesion and subepithelial lesion. Epithelial gastric lesions are generally divided into benign and malignant. Benign lesions include some types of polyps, i.e., hyperplastic polyp, fundic gland polyp, and gastric adenoma. Malignant lesions include carcinoid...

Focal reactive hyperplastic lesions of the gingiva are quite common soft tissue enlargements of the oral cavity. Presence of local factors, tissue irritation and endocrinal discrepancies contribute to its etiology. The fact that these lesions are caused by diverse pathological conditions and its histo-pathological resemblances poses a great diagnostic challenge. Due to the site predilection of ...

Sequential phenotypic changes in hyperplastic areas of rat liver during N-2-fluorenylacetamide feeding were studied by enzyme and immunohistochemical methods combined with radioautography. Hyperplastic area showed a marked deficiency of beta-glucuronidase and serine dehydratase during their developing phase, the 6th through the 9th experimental weeks, and were fairly specifically labeled by inj...

BACKGROUND Benign hyperplastic thymus is a rare but important differential diagnosis of anterior mediastinal lesions. Histological and radiological criteria are used to distinguish this benign condition from other malignant diseases but have their limitations, and biopsy of mediastinal masses can be risky. We report for the first time the diagnostic value of fluorodeoxyglucose 18F positron emis...

We previously reported that colon carcinomas, adenomas, and hyperplastic polyps exhibiting a serrated histology were very likely to possess BRAF mutations, whereas when these same advanced colonic lesions exhibited non-serrated histology, they were wild type for BRAF; among hyperplastic polyps, KRAS mutations were found mainly in a non-serrated variant. On this basis, we predicted that hyperpla...

AIMS To describe the clinical and pathological features of 10 further cases of fibroblastic polyps (FP), a recently described, distinctive type of colorectal mucosal polyp. METHODS AND RESULTS The patients were seven women and three men with ages ranging from 44 to 63 years. The lesions ranged in size from 2 to 4 mm. Eight of the polyps were located in the sigmoid colon. Five cases were assoc...

Light Amplification by the Stimulated Emission of Radiation, or LASER, is what phrase refers to. In 1960, Miaman was first to apply laser technology on both hard and soft tissues in dentistry. Over past two decades, has advanced significantly. Soft tissue applications include wound healing, removal hyperplastic for uncovering impacted partially erupted teeth, photodynamic therapy malignancies, ...