• Acrochordon (skin tags) Fibrous lesions Van Peenen, H.J. (1966). (wikipedia.org)
  • The differential diagnosis also included infectious and neoplastic disorders such as cellulitis, primary bone lesions (benign or malignant), lymphoproliferative or vascular disorders, and secondary neoplasms including sinus-related lesions or distant metastases. (reviewofophthalmology.com)
  • and reactive, fibrous or vascular lesions including aneurysmal or unicameral bone cysts, fibrous dysplasia, osteomyelitis, Langherhans' cell histiocytosis, non-ossifying fibroma and bone hemangioma. (reviewofophthalmology.com)
  • Apart from few lesions such as enchondroma, osteochondroma, osteoid osteoma, simple bone cyst, fibrous dysplasia, or non-ossifying fibroma demonstrating pathognomonic appearance on radiographs and other imaging modalities, rest of the bone tumors need histopathological examination to ascertain type, aggressiveness, and histopathological grade the lesion. (mss-ijmsr.com)
  • Background: Benign fibro-osseous lesions (BFOL) comprise a diverse group of pathologies characterized by the replacement of normal bone by fibrous tissue and a mineralized product. (bvsalud.org)
  • I - fibrous dysplasia, II - reactive lesions arising in the tooth-bearing area, and III - fibro-osseous neoplasms. (bvsalud.org)
  • The concept of fibroosseous lesions of bone has evolved over the last several decades and now includes two major entities: fibrous dysplasia and ossifying fibroma. (ijsr.net)
  • Peripheral cemento-ossifying fibroma is a relatively rare tumour classified between fibroosseous lesions. (ijsr.net)
  • Lesions histologically similar to peripheral ossifying fibroma have been given various names in existing literature. (ijsr.net)
  • Because of this, one should be comfortable using immunohistochemistry or other methods with the diagnosis of these lesions, and to help exclude epithelial or melanocytic neoplasms ( Table 11.1 ). (basicmedicalkey.com)
  • A variety of benign fibrous lesions that may or may not be neoplastic can be found within the upper aerodigestive tract and have been termed "fibromas. (basicmedicalkey.com)
  • One should be cautious regarding the use of the term fibroma within the upper aerodigestive tract outside of these lesions. (basicmedicalkey.com)
  • Many benign lesions cause mandibular swellings, and these can be divided into those of odontogenic and nono- dontogenic origin. (9lib.co)
  • Aneurysmal bone cysts are benign lesions that may develop in distinct parts of the skeleton. (symptoma.com)
  • Methods: Thirty-two cases diagnosed as normal jaw bone (NJB, 8 cases), fibrous dysplasia (FD, 8 cases), cemento-osseous dysplasia (COD, 8 cases), and cemento-ossifying fibroma (COF, 8 cases) were selected. (bvsalud.org)
  • The cemento-ossifying fibroma is hard and fibrous, most frequently seen in the jaw or mouth, sometimes in connection with a fracture or another type of injury. (wikipedia.org)
  • The cemento-ossifying fibroma is a central neoplasm of bone as well as periodontium which has caused considerable controversy because of confusion regarding terminology and the criteria for its diagnosis. (ijsr.net)
  • The cemento-ossifying fibroma is odontogenic in origin, whereas ossifying fibroma is of bony origin. (ijsr.net)
  • Fibrous growths of the oral soft tissues are fairly common and include a diverse group of reactive and neoplastic conditions. (medscape.com)
  • While the terminology implies a benign neoplasm, most if not all fibromas represent reactive focal fibrous hyperplasia due to trauma or local irritation. (medscape.com)
  • The fibroma cavernosum or angiofibroma, consists of many often dilated vessels, it is a vasoactive tumor occurring almost exclusively in adolescent males. (wikipedia.org)
  • The neurofibroma is a benign nerve-sheath tumor in the peripheral nervous system. (wikipedia.org)
  • The fibroma is a benign tumor, frequently found in fascia and subcutaneous tissue. (wikipedia.org)
  • The clinical differential diagnosis of a fibroma depends on its clinical presentation and location and includes giant cell fibroma, neurofibroma , peripheral giant cell granuloma , schwannoma, granular cell tumor, mucocele , and benign and malignant salivary gland tumors (eg, see Salivary Gland Neoplasms ). (medscape.com)
  • The tumor is a well-delineated but unencapsulated mass of densely collagenized, hypocellular fibrous tissue with a storiform pattern and prominent clefts between collagen bundles. (medscape.com)
  • This is contrasted with the alveolar subtype, which histopathologically resembles pulmonary tissue due to branching, fibrous septae that enclose the tumor cells and create pseudo-alveoli. (reviewofophthalmology.com)
  • Furthermore, osteosarcoma was the most common malignant tumor and giant cell tumor was the most common benign tumor. (mss-ijmsr.com)
  • In this second part of the series, we explain how to distinguish a select group of primary malignant bone tumors requiring further imaging and clinical workup from benign, tumor-like conditions. (appliedradiology.com)
  • connective tissue tumor is a neoplasm arising from the tissues of the connective tissue . (ipfs.io)
  • The differential diagnosis includes simple bone cyst, ABC (primary or secondary), chondroblastoma, giant cell tumor (GCT), osteosarcoma, ossifying hematoma or pseudotumor of hemophilia . (symptoma.com)
  • Adenomatoid odontogenic tumor (AOT) is an uncommon benign odontogenic lesion, with debatable histogenesis and variable histopathology. (ac.ir)
  • Although the term focal fibrous hyperplasia more accurately describes the clinical appearance and pathogenesis of this entity, it is not commonly used. (medscape.com)
  • The clinical differential diagnosis includes squamous papilloma , irritation fibroma, pyogenic granuloma , and peripheral giant cell granuloma . (medscape.com)
  • Fibromas are benign tumors that are composed of fibrous or connective tissue. (wikipedia.org)
  • The term "fibroblastic" or "fibromatous" is used to describe tumors of the fibrous connective tissue. (wikipedia.org)
  • When the term fibroma is used without modifier, it is usually considered benign, with the term fibrosarcoma reserved for malignant tumors. (wikipedia.org)
  • As is true of most benign tumors, it is composed of cells of fairly normal appearance - in this case, fibroblasts. (wikipedia.org)
  • performed a retrospective study to determine the occurrence of bone and soft-tissue tumors in India, which demonstrated that of all musculoskeletal neoplasms, around 60% were bone tumors and 36% were soft-tissue tumors. (mss-ijmsr.com)
  • Of bone tumors, 66% were malignant, 15% were benign, and 19% were non-neoplastic. (mss-ijmsr.com)
  • The most frequent bone tumors, osteochondromas represent 20-50% of benign tumors and 10-15% of all bone tumors. (appliedradiology.com)
  • Fibroblastic or myofibroblastic tumors make up the majority of soft tissue tumors of the aerodigestive tract and range from nonneoplastic or benign proliferations (fibromas) to high-grade malignancies (undifferentiated high-grade pleomorphic sarcomas). (basicmedicalkey.com)
  • For example, the term epulis fissuratum refers to epithelial and fibrous hyperplasia specifically related to, and the result of, trauma from the border of a removable denture. (medscape.com)
  • It should be noted that the vast majority of neoplasms of the upper aerodigestive tract are epithelial and that some of these can show a spindle cell phenotype, e.g., spindle cell or sarcomatoid carcinoma and myoepitheliomas. (basicmedicalkey.com)
  • Ameloblastoma is a true neoplasm of odontogenic epithelial origin. (9lib.co)
  • It is a slow-growing, persistent, and locally aggressive neoplasm of epithelial origin. (9lib.co)
  • It is an uncommon benign fibrous neoplasm that occurs most commonly in the skin and may be solitary or multifocal. (medscape.com)
  • It is the second most common odontogenic neoplasm, and only odontoma outnumbers it in reported frequency of occurrence. (9lib.co)
  • Its incidence, combined with its clinical behavior, makes ameloblastoma the most significant odontogenic neoplasm. (9lib.co)
  • Histologically, a fibroma is an unencapsulated, solid, nodular mass of dense and sometimes hyalinized fibrous connective tissue that is often arranged in haphazard fascicles. (medscape.com)
  • This review is intended to provide histopathologists with guidelines for clinical assessment, specimen handling and diagnostic reporting of benign and malignant primary bone tumours. (biomedcentral.com)
  • Primary benign and malignant bone tumours vary widely in their clinical behaviour and pathological features. (biomedcentral.com)
  • It is the most common primary malignant bone neoplasm in adults. (radiopaedia.org)
  • Key features that favor chondrosarcoma over benign enchondroma include deep cortical endosteal scalloping, cortical bone destruction, and extra-osseous extension. (appliedradiology.com)
  • The fibroma, also referred to as irritation fibroma, is by far the most common of the oral fibrous tumorlike growths. (medscape.com)
  • These include nasal and oral fibromas (traumatic/irritation fibromas, peripheral ossifying fibromas, cementifying fibromas, etc. (basicmedicalkey.com)
  • Some neoplasms appear more unique to the area, e.g., angiofibroma, while most can occur throughout the soft tissues of the entire body. (basicmedicalkey.com)
  • See the image below depicting fibrous tumorlike growth of the oral soft tissues. (medscape.com)
  • A fibroma may occur at any oral site, but it is seen most often on the buccal mucosa along the plane of occlusion of the maxillary and mandibular teeth as depicted below. (medscape.com)
  • Both sporadic sclerotic fibromas and those associated with the syndrome have also been described in the oral cavity, mainly in the buccal and labial mucosa. (medscape.com)
  • AKA oral fibroma . (librepathology.org)
  • Ovary fibromas are most frequent during middle age, and rare in children. (wikipedia.org)
  • Fibromas are most often observed in adults, but they may occur in individuals of any age and either sex. (medscape.com)
  • Upon gross pathological inspection, ovary fibromas are firm and white or tan. (wikipedia.org)
  • A subtype of nonconventional "surface" osteosarcomas, periosteal osteosarcomas are rare, malignant neoplasms representing about 1% of all osteosarcomas. (appliedradiology.com)