The desmoplastic variant of ameloblastoma is a rare form of ameloblastoma characterized by unique radiographic and histologic features. A 46-year-old female was referred to our hospital, complaining of swelling in the left upper lip area. Radiographic findings revealed an ill-defined multilocular lesion with a large cystic lesion and thick sclerotic trabeculae on the left anterior maxilla. Afte...

Desmoplastic fibroma (DF) is a very rare bone tumor, classified as a benign lesion. It might be locally a very aggressive tumor with a high rate of recurrence after surgical resection. We present a case of a 3-year and 6 month-old patient, with mandibular desmoplastic fibroma. The clinical, imaging, histological findings and surgical treatment are discussed and, also, a brief review of the lite...

Desmoplastic small round cell tumor is a very rare malignancy. We report the case of a 26-year-old woman who suffered from dyspepsia and abdominal pain for 2 months. We performed an endoscopic biopsy of the duodenal mass and diagnosed her disease as desmoplastic small round cell tumor using immunohistochemical staining, fluorescence in situ hybridization, and reverse transcriptase polymerase ch...

Ameloblastoma is a benign epithelial odontogenic tumor and is the most commonly encountered odontogenic tumor in the jaws. Histologically, ameloblastomas occur in different patterns, including plexiform pattern and follicular pattern. "Hybrid" lesion of ameloblastoma is a tumor variant in which histologically, areas of follicular or plexiform ameloblastoma coexist with characteristic areas of a...

Desmoplastic fibromas of bone has been described as a rare, non-metastasizing, locally aggressive, benign lesions that histologically resembles a desmoid tumour of the soft tissue [1,2]. It was initially described by Jaffe in 1958 who highlighted the histological resemblance to aggressive fibromatosis (desmoid tumour) [3]. Since his original description, approximately 150 case reports have been...

Malignant mesothelioma is an uncommon tumor of serosal surfaces. The most common sites of origin include the pleura and the peritoneum. Malignant mesothelioma of the tunica vaginalis testis is rare. We describe a 78 year-old man with a 2-month history of a rapidly enlarging scrotum. The initial pathologic diagnosis was fibrous pseudotumor by the presence of cellular spindle cells and the backgr...

Desmoplastic small round-cell tumor (DSRCT) is a rare and highly aggressive neoplasm of children and young adults that primarily arises from the abdomen with widespread peritoneal involvement and is characterized by distinct clinicopathologic features. Therapeuticmanagement of DSRCT remains challenging, and no standard therapy is currently described in the literature. Despite the combination of...