Results 51 to 60 of about 15,964 (226)

Anatomical Study With Clinical Significance of the Buccomandibular Space: A Complementary Ultrasonographic Study to Cadaveric Dissection

open access: yesClinical Anatomy, EarlyView.
ABSTRACT The buccomandibular space is a potential space located within the oral and maxillofacial regions. This morphological study aimed to provide a detailed anatomical description and ultrasonographic examination of the buccomandibular space and its adjacent structures, to discuss its clinical significance—particularly in relation to pathological ...
Hyun‐Ju Ji   +5 more
wiley   +1 more source

Neoplastic potential of odontogenic cysts

open access: yesContemporary Clinical Dentistry, 2011
Odontogenic cysts and tumors are distinct entities and quite a common occurrence in the jaw bones. The lining of odontogenic cysts shows a potential for neoplastic transformation to non odontogenic malignancies like squamous cell carcinoma and ...
Zama Moosvi   +2 more
doaj   +1 more source

Primary de novo intraosseous carcinoma : report of a new case [PDF]

open access: yes, 2009
Primary de novo intraosseous carcinoma of the jaws has been rarely reported. We present a new case of this unusual tumour and discuss its histopathological and clinical aspects.
Fresno Forcelledo, Manuel Florentino   +3 more
core   +1 more source

Cytomorphology and Molecular Profile of Hyalinizing Clear Cell Carcinoma of the Lung: A Case With Mucinous Differentiation

open access: yesDiagnostic Cytopathology, EarlyView.
ABSTRACT Hyalinizing clear cell carcinoma (HCCC) of the lung is an exceedingly rare salivary gland‐type neoplasm with limited cytomorphologic description. We report a case highlighting these features. A 3 mm incidental left‐airway lesion enlarged to 7 mm over 5 months, prompting radial endobronchial ultrasound (EBUS)‐guided transbronchial biopsy. Touch
Jeffrey Zijie Lin, Lucy Jager
wiley   +1 more source

Odontogenic tumors: a 14-year retrospective study in Santa Catarina, Brazil

open access: yesBrazilian Oral Research, 2014
Odontogenic tumors (OTs) are lesions that develop exclusively on maxillary bones, and form a heterogeneous group. They vary from hamartomatous lesions to benign and malign tumors.
Grasieli de Oliveira Ramos   +4 more
doaj   +1 more source

Detection of human papillomavirus DNA in intraosseus ameloblastoma [PDF]

open access: yes, 2006
Human Papillomavirus (HPV) infection has been shown as a risk factor in oral carcinogenesis. The association between HPV and benign and malignant neoplasm of oral mucosa, especially surface epithelium-derived tumors, is well established.
Khodayari-Nemin, A.   +5 more
core   +1 more source

Recurrent Maxillary Ameloblastoma Presenting as an External Auditory Canal Mass

open access: yesThe Laryngoscope, EarlyView.
Ameloblastoma with temporal bone involvement is exceedingly rare, with no prior reports of external auditory canal presentation. This case report demonstrates successful multidisciplinary management with extensive skull base resection and adjuvant radiation therapy, emphasizing the role of proton therapy in achieving tissue‐sparing treatment and long ...
Bailey H. Duhon   +5 more
wiley   +1 more source

Loss of the PTCH1 tumor suppressor defines a new subset of plexiform fibromyxoma. [PDF]

open access: yes, 2019
BackgroundPlexiform fibromyxoma (PF) is a rare gastric tumor often confused with gastrointestinal stromal tumor. These so-called "benign" tumors often present with upper GI bleeding and gastric outlet obstruction.
Banerjee, Sudeep   +9 more
core   +1 more source

Malignant craniopharyngiomas: Institutional experience and literature review

open access: yesBrain Pathology, EarlyView.
We report the second case of malignant craniopharyngioma with BAP1 and TP53 mutations. A literature review identified 44 cases of malignant craniopharyngiomas with a median overall survival of 6 months. Eighteen (41%) occurred in patients without any history of radiation, suggesting that mechanisms other than radiation have contributed to their ...
Thomas J. Auen   +10 more
wiley   +1 more source

Hybrid Odontogenic Lesion: A Rare Entity [PDF]

open access: yesJournal of Dental Materials and Techniques, 2017
Hybrid tumors are very rare tumors composed of two different tumor entities, each of which conforms to an exactly defined tumor category. A 14-year-old boy was referred for an intraosseous painless lesion with a histopathological feature of multiple ...
Reza Imani   +3 more
doaj   +1 more source

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