نتایج جستجو برای: pathologic lesion
تعداد نتایج: 140051 فیلتر نتایج به سال:
Craniovertebral junction tuberculosis is a rare lesion in which treatment remains controversial. Options range from conservative treatment to surgery, independently of any associated neurological threat. We here report the first case of pathologic odontoid fracture in a context of spinal tuberculosis, complicated by unusual neurological evolution. The patient presented with non-contiguous multi...
Abstract Optimal breast care requires a multidisciplinary and integrated approach, including appropriate processes communication between the radiology pathology departments. It is important for radiologists to have an understanding of events that occur time percutaneous biopsy sample obtained point at which final report issued. This article reviews essential from through diagnosis, general work...
A focal cryogenic lesion was made in the left superior frontal gyrus of the anesthetized macaque brain. Cerebral blood flow (CBF) was determined by the hydrogen clearance technique before and during the 4 hours following trauma. Local CBF in tissue adjacent to the lesion increased in the first half hour after the lesion was made and then decreased during the ensuing 3 1/2 hours. Local CBF in th...
Primary intraosseous meningioma is a rare tumor, and atypical pathologic components both osteolytic lesion and dura and soft tissue invasion is extremely rare. A 65-year-old woman presented with a 5-month history of a soft mass on the right frontal area. MR imaging revealed a 4 cm sized, multilobulated, strongly-enhancing lesion on the right frontal bone, and CT showed a destructive skull lesio...
Clear cell odontogenic carcinoma (CCOC) is a rare jaw tumor that was classified as a malignant tumor of odontogenic origin in 2005 by the World Health Organization because of its aggressive and destructive growth capacity and metastasis to the lungs and lymph nodes. We report a case of a 66-year-old female who had swelling, incision and drainage history and a well-defined unicystic radiolucent ...
A 4-year-old Shih-Tzu, referred for an enlarged left carpus, was diagnosed with a unicameral bone cyst. A customized titanium device was inserted into cystic lesion and fixed by titanium screws. Sufficient strength of the affected bone with the device inserted to maintain limb function was established after resection of contents of cystic lesion. There was no deterioration of the lesion of bone...
A 50-year-old man was referred for subacute intracranial hypertension. MRI revealed a well-circumscribed lesion in the posterior fossa that was hypointense on T1-weighted imaging and hyperintense on T2-weighted imaging (figure 1, A and E). Cerebral blood volume map and sequential postcontrast T1-weighted images showed progressive increase in the homogeneity of the contrast enhancement, indicati...
Sclerosing polycystic adenosis is a rare pathological lesion that affects salivary glands. The majority of cases involve the parotid and its occurrence in minor glands is exceedingly rare. Here, we report the first case of this lesion in the retromolar pad area and discuss its histological features and immunohistochemical reactivity with α SMA and Ki67 markers. A review of the literature on its...
A 53-year-old man presented with cervical myelopathy. magnetic resonance imagine (MRI) revealed a predominantly extraskeletal, extradural lesion extending along the posterior aspects of the C2 to C5 vertebral bodies, with greater than 60% spinal canal compromise and severe cord compression. Bone involvement was present, but was thought to be secondary. Based on histopathology and immunohistoche...
Although malignant melanoma (MM) most frequently tends to metastasize the regional lymph nodes, liver, lung and brain, several unusual sites of metastasis have been described in literature. Among these, metastatic involvement gallbladder or uterus represents an exceptional event, usually associated with diffuse disease observed as autopsy finding. In this paper, we present two cases isolated MM...
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