نتایج جستجو برای: pathologic lesion
تعداد نتایج: 140051 فیلتر نتایج به سال:
Introduction: Despite the popularity of needle biopsy for obtaining tissue samples in several solid organs, its use in thoracic lesions has been very restricted in some hospitals. This study intended to investigate the CT-Guided transthoracic core needle biopsy specimens in Yazd Shahid Sadoughi hospital during 2001- 2010. Methods: This is a retrospective cross- sectional study conducted on pat...
Abstract Background and Aims Long-term immunosuppression in solid organ transplant (SOT) recipients could be associated with high risk of cutaneous malignancies. Any suspicious lesion should excised sent for pathologic examination. Method We performed a descriptive retrospective single-center study to evaluate the incidence all skin cancer lesions 372 kidney transplanted between January 2015 Ju...
Angiocentric glioma is a rare subtype of neuroepithelial tumor that is associated with a history of epilepsy. We report a case of cystoid angiocentric glioma associated with an area of calcification. This 25 year old male patient presented with tonic clonic spasm. He underwent craniotomy with complete resection of the lesion. Pathologic specimen showed monomorphous bipolar cells with angiocentr...
We report a case of an urachal hamartoma in a 30-year-old African American woman. The urachal lesion was excised with a robotic-assisted laparoscopic partial cystectomy. Pathologic analysis revealed cysts, smooth muscle, and ciliated epithelium consistent with a hamartoma. The patient recovered without complication. This case highlights an unusual pathology that is infrequently reported followi...
mandibular defects may result from many conditions such as trauma, inflammatory diseases and tumors. there are rare cases reported in the literature that have demonstrated spontaneous bone regeneration after resection of the mandible. several factors such as age, preservation of the periosteum and genetics seem to influence spontaneous bone regeneration capacity in individuals. evaluation of th...
the primary carcinoma may secondarily invade bone tissue through direct extensions, blood circulation or lymphatic transportation particulary when it is arising from breast, prostate, kidney, thyroid and lung. metastatics tumors of bone are more common than primary tumor of bone. the most common tumor, which metastasizes into bone, is the breast adenocarcinoma. some metastatic tumors of bone in...
We describe a boy who developed a dark brown colored nodule in an area of lymphangioma circumscriptum following repeated local injuries. The nodule showed the clinical and pathologic features of solitary angiokeratoma. It is possible that previous injuries predisposed the lesion to the development of solitary angiokeratoma.
Angiosarcoma of bone is an exceedingly rare primary bone malignancy that can present as an aggressive osteolytic lesion. Histological diagnosis can be extremely challenging, as the pathological features often resemble that of aneurysmal bone cysts. We report an interesting and peculiar case of an intraosseous angiosarcoma that presented as a diagnostic dilemma and discuss the relevant radiologi...
Endometrial polyps are common pathologic findings in gynecologic pathology practice. Although malignant changes in these lesions are uncommon, numerous studies confirmed this association especially with endometrial serous and clear cell carcinoma. Two cases of malignant endometrial polyps in association with presumed precursor lesion in one of them are presented.
Calcifying fibrous pseudotumor has recently been described in the soft tissues. It is a rare benign lesion characterized by the presence of abundant hyalinized collagen with psammomatous or dystrophic calcifications and lymphoplasmacytic infiltrate. We report a case of a young woman with a mediastinal mass treated by a complete resection. The mass had all the pathologic features of calcifying f...
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