introduction: few studies on benign soft tissue tumors of oral cavity have been conducted in an iranian population. the purpose of this study was to evaluate the prevalence of the benign soft tissue tumors of the oral cavity in three central pathology centers of rasht, iran. materials and methods: in this retrospective study, all benign soft tissue tumors of the oral cavity, were retrieved from...

background and aim: oral mucosal lesions have various prevalence rates among different populations. few studies have evaluated the frequency of oral mucosal lesions in iranian population. this study aimed to determine the frequency of oral mucosal lesions and the related factors.                        materials and methods: this descriptive study was conducted based on the data in the archives...

INTRODUCTION Lipoma is a benign soft tissue neoplasm that may contain mesenchymal elements, as a result of metaplastic process. Ossification in benign and malignant soft tissue tumors can also manifest due to metaplastic process. CASE PRESENTATION A 45 year old woman presented with a large thigh mass. The mass was developed one and a half year ago which insidiously increased in size and was a...

  Extra-skeletal Ewing’s sarcoma is a rare soft tissue malignant neoplasm, morphologically indistinguishable from skeletal Ewing’s sarcoma. The usual sites of involvement are the soft tissues of para-vertebral region, chest wall, and lower extremity. Extra-skeletal Ewing’s sarcoma is rare in the head and neck region and very few cases are reported in the parotid gland. The cytological features...

INTRODUCTION Mammary-type myofibroblastoma of the soft tissue is a very rare, benign, mesenchymal neoplasm with myofibroblastic differentiation. To date, 20 cases of extra-mammary myofibroblastoma have been described in literature. To the best of our knowledge, this is the largest extra-mammary myofibroblastoma described in the literature, and the first case reported in this location. CASE PR...

extra-skeletal ewing’s sarcoma is a rare soft tissue malignant neoplasm, morphologically indistinguishable from skeletal ewing’s sarcoma. the usual sites of involvement are the soft tissues of para-vertebral region, chest wall, and lower extremity. extra-skeletal ewing’s sarcoma is rare in the head and neck region and very few cases are reported in the parotid gland. the cytological features of...

Ossifying fibromyxoid tumour of soft parts (OFMT) is a recently described soft tissue tumour. Although rare it deserves recognition as a locally invasive but essentially benign neoplasm. Prior to its description in 1989 by Enzinger, ossifying fibromyxoid tumours of soft parts were classified as a wide variety of lesions, ranging from nodular fasciitis to osteosarcoma. We report a typical case o...

  Chloroma or granulocytic sarcoma (GS) is a malignant neoplasm of myeloid lineage that occur in a variety of anatomic sites other than the bone marrow including soft tissue, bone, lymph node, nasal fossa, skin and sometime in the orbit. In the subconjunctiva it is rarely reported. A 4-year-old girl with a history of treated acute myelogenous leukemia was referred to Farabi Eye Hospital, Tehra...