Adenoid Cystic Carcinoma (ACC) is a rare tumor constitutes for less than 1% of head and neck malignancies and 10% of all salivary gland tumors. Palate is the most common site to be involved in the oral cavity followed by parotid gland and submandibular gland. They are usually asymptomatic, slow growing, characteristically shows infiltrative growth and perineural invasion. This paper reports a c...

Background: Various objective parameters of assessing adenoid size on x-ray have been proposed with no agreement which is most suitable. In this study, the correlation two radiographicparameters: adenoidal-nasopharyngeal ratio (ANR) and antroadenoid diameter (AA diameter) to postoperative volume were compared, a view determine more accurate. Objectives:To compare correlations ANR AA volume, in ...

introduction: natural killer (nk) cells, of which cd56 is a specific marker, play an important role in host defense against tumors. cancer stem cells, of which aldehyde dehydrogenase isoform 1 (aldh1) is an immunohistochemical marker, are a group of tumorigenic cells which are involved in migration and tumor recurrences. we aimed to evaluate the expression of aldh1 and cd56 in common salivary g...

conclusions regarding the findings of this study, it can be concluded that erα possibly cannot play an important role in the tumorigenesis and prognosis of the investigated malignant salivary gland tumors. results for acc, only one specimen expressed the er, and this was assessed as moderate. no specimens of mec expressed the er. the comparison of er expression between the two groups was not me...

objective: the aim of the present study was to investigate the demographic and pathological aspects of adenoid cystic carcinomas (acc) in an iranian sample based on a 20-year archive review. materials and methods: in this descriptive study, tumors of the head and neck registered between 1980 and 2000 were evaluated and cases of acc were selected. patients' medical records and pathology reports ...

introduction : brooke-spiegler syndrome (bss) is a rare autosomal dominant disease characterized by the development of multiple adnexal cutaneous tumors such as cylindromas, trichoepitheliomas and spiradenomas. case description: a 49 years old female patient presented with a history of gradual appearance of multiple nodules situated predominantly on the scalp and face. pathologic examination of...

adenoid ameloblastoma with dentinoid is a rare odontogenic tumor. granular cell ameloblastoma also is a less common histological subtype of ameloblastoma. in this report, the patient was a 31‑year‑old male. the lesion was located in the right mandible and was unicystic with well‑defined borders. the tumor tissue was showing a combination of follicular, plexiform, and desmoplastic patterns of am...

Adenoid cystic carcinoma of the nasal cavity is a rare malignancy. It slowly progressive disease, characterized by local recurrences and distant metastases requires early adequate management. We report case fossa will discuss diagnostic therapeutic characteristics in highlight review literature.