An incidental finding of adenomatoid tumor was diagnosed in a hysterectomy specimen of a postmenopausal women who underwent surgery for cervical descent. In intra – operative findings multiple small vesicular lesions were seen over the uterine serosal surface. On a detailed review of literature we found that it is predominantly a benign tumor with histiogenesis of mesothelioma. Hence, no aggres...

Adenomatoid odontogenic tumor (AOT) is a relatively rare, benign, hamartomatous, and cystic odontogenic neoplasm that was first described more than a century ago. The lesion still continues to intrigue experts with its varied histomorphology and controversies regarding its development. The present article describes a case of cystic AOT with an unusual histomorphology associated with an impacted...

Adenomatoid odontogenic tumor (AOT) is an uncommon tumor of odontogenic origin and often misdiagnosed as an odontogenic cyst. It is predominantly found in young female patients, located more often in maxilla, and in most cases associated with an unerupted permanent tooth. There are three variants of AOT namely follicular, extra follicular, and peripheral. We report an unusual case of extrafolli...

The adenomatoid odontogenic tumor (AOT) is a benign, nonneoplastic (hamartomatous) lesion with a slow progressing growth. It occurs in both intraosseous and peripheral forms. This paper reports the case of a female aged 16 years who presented with a swelling in anterior maxilla; canine was missing, and a supernumerary tooth was present in the mid line. Radiology revealed a well-defined radioluc...

Adenomatoid odontogenic tumor (AOT) is an uncommon benign odontogenic lesion that affects young patients, with female predominance, mainly in second decade, showing a radiolucent unilocular image associated with an unerupted tooth, usually a canine. In spite of previous and confusing denominations, such as adenoameloblastoma or adenomatoid ameloblastic tumor, AOT is a benign tumor with a very l...

BACKGROUND Adenomatoid tumors are regarded as distinctive benign mesothelial neoplasms of the paratesticular region, most commonly occuring at the tail of the epididymidis.Because of its rarity, the clinical and histopathological aspects are discussed. CASE PRESENTATION We present the case of a 41-year-old patient with an adenomatoid tumour located in the tail of the left epididymis that refe...

Respiratory epithelial adenomatoid hamartoma (REAH) is an uncommon lesion of the upper aerodigestive tract. It is characterized by abnormal glandular formations with ciliated epithelium arising from the nasal cavity, paranasal sinuses and nasopharynx, but other locations have also been described. We did not find any other cases of this hamartomas in the external auditory canal in the literature...

The patient was a girl in her teens. A panoramic radiograph revealed an impacted canine and a mixture of radiolucency and radiopacity in the right sinus. The patient was referred to the Dental Clinical Division, Hokkaido University Hospital. She had no subjective symptoms. A slight bone expansion from the base of the right ala of the nose to the infraorbital region was palpable, but no tenderne...

The adenomatoid odontogenic tumor is a benign bony lesion of the maxilla and mandible, it represents 3% of all odontogenic tumors, and is more frequent in females in their second decade of life. It affects mainly the maxilla associated with embedded teeth, often canines, but it also occurs in the mandible, especially in the anterior region. It originates from epithelial cells of the dental lami...

The adenomatoid odontogenic tumor (AOT) is a benign, non-invasive lesion with a slow but progressive growth. This tumor has three variants: follicular, extrafollicular, and peripheral. The extrafollicular type is an intraosseous lesion that is not associated with unerupted teeth. Radiographically, it appears as a well-defined, unilocular, round or ovoid radiolucency with multiple, small, irregu...