a 41 year old woman was referred to our center because of a left breast mass lesion of about two months duration. routine pathologic examination of the mass revealed a .neoplastic tissue composed of large ovoid cells with clear cytoplasm arranged in broad sheets that were separated by thin bundles of connective tissue. immunohistochemically tumor cells express smooth muscle actin, cytokeratin, ...

A 34-year-old woman with exertional dyspnoea and clinical diagnosis of mitral stenosis underwent echocardiographic evaluation. Moderate to severe rheumatic mitral stenosis was confirmed but an unsuspected mass lesion in the dilated left atrium attached to inter-atrial septum in fossa ovalis region was found. Although the attachment was in favour of myxoma, it was difficult to differentiate with...

background: lactating adenoma is a benign breast mass related to physiological changes during pregnancy and increased estrogen level. fibroadenoma and breast cancer should be considered in the differential diagnosis of this lesion. the purpose of this study was to report cases of lactating adenoma in breast cancer research center (bcrc) and review the relevant literature. methods: all patients ...

Chondroma is a very unusual cartilagenous neoplasm of the spine. Here we are present a case of spinal chondroma with radiculopathy. A 54-year-old female patient consulted with progressive low back pain and left femoral numbness. Lumbar spinal Magnetic resonance (MR) imaging studies showed an extradural mass lesion in the left L2 body. Computerized tomography (CT) did not reveal any osteolytic l...

We report a rare case of schwannoma of the brachial plexus presenting as an enlarging cystic mass. A 52-year-old woman was found to have a rapidly enlarging cystic lesion in the left pectoralis minor space. Surgical exploration finally found that the lesion was schwannoma originating from the fascicles of the brachial plexus. Partial removal of the fluid enabled us to dissect the mass without d...

malignancy with extrahepatic biliary obstruction in a young woman A 20-year-old woman presented with a complaint of weight loss over the previous 2 months. There was no history of cough, expectoration, abdominal pain or altered bowel habits. She had no significant past history. An abdominal ultrasound scan showed an ill-defined mass lesion causing a biliary obstruction and dilatation of the int...

A man with AIDS presented with a deep soft-tissue mass involving the right thigh. Biopsy of a skin lesion on the back and culture of a specimen from this lesion showed bacillary angiomatosis due to Bartonella (formerly Rochalimaea) quintana. Magnetic resonance imaging revealed a large heterogeneous mass involving the vastus medialis and intermedius muscles. Therapy with erythromycin caused rapi...

ectopic thyroid tissue results from abnormal embryologic development and migration of the thyroid gland. true malignant transformation in ectopic thyroid tissue is extremely rare and is always diagnosed after surgical excision of the lesion by pathology examinations. there are well-documented cases of ectopic thyroid cancer while primary tumoral lesion occurs in the orthotopic thyroid, but only...

purpose: to report an unusual ocular presentation of a relapse of acute lymphoblastic leukemia. case report: a 9-year-old girl presented with a subconjunctival mass and ipsilateral preauricular lymphadenopathy. she had history of acute lymphoblastic leukemia (all) in remission but had a normal blood cell profile. because of corneal dellen formation and enlargement of the mass over a 2-week peri...

a discrete mibi avid lung lesion was found in cinematic views of myocardial perfusion imaging (mpi) of a 59 year-old woman. interestingly, the abnormal uptake in the lung was detectable only in the rest phase images and not in the images acquired in the stress phase. mpi was performed for pre-operation cardiac risk assessment before correction surgery for spinal canal stenosis.  she had no past...