Extraosseous calcifying epithelial odontogenic tumor (Pindborg tumor).

A 20-year-old man presented with a painless enlargement of the maxillary gingiva with no bone involvement. Microscopic examination with special stains confirmed the diagnosis of a clear cell variant of a calcifying epithelial odontogenic tumor (Pindborg tumor). This is the second reported case of such a variant in an extraosseous location.     

Calcifying epithelial odontogenic tumor: a case report

Calcifying epithelial odontogenic tumor (CEOT) is a rare benign lesion. A case of CEOT in the left mandible of a 46-year-old man is presented. This case is exceptionally unusual because it was left untreated for 10 years, indicating in some way the course of the tumor. Histologic findings both at the time of first diagnosis and at the final treatment 9 years later were identical.     

A rare odontogenic calcifying epithelial tumor, or Pindborg tumor. Report of a clinical case nd review of the literature

Clinical, histological and embryogenetic features of calcifying epithelial odontogenic tumor or Pindborg's tumor are described. A case of Pindborg's tumor in the molar region of the right mandible in a 66 year old male patient is presented. Standard X-ray examinations and CT scan were performed in order to obtain information about tumor's size. The histologic features revealed the presence of a homogeneous substance resembling amyloid and many cells filled by calcified material in the form of concentric Liesegang's rings. Treatment methods are also discussed.     

牙源性钙化上皮瘤2例

牙源性钙化上皮瘤（CEOT）是一种具有局部浸润性生长特点的良性牙源性上皮性肿瘤,可分为骨内型（中央型）、骨外型（外周型）两种,后者罕见。本文报道2例牙源性钙化上皮瘤,并结合文献探讨其临床、影像表现特点。