background and objective: fine needle aspiration cytology (fnac) is well accepted as a useful diagnostic technique in the management of adult patients with head and neck lumps. but, until recently, very few reports have been obtained regarding the role of fnac in nonthyroidal neck masses in children. hence, the objective of our study was to determine the diagnostic value of fine needle aspirati...

background and objectives: involvement of lymph nodes is an important prognostic factor in the most cancers, including colorectal cancer. in the recent years, invasion to blood and lymphatic vessels has been shown to predict involvement of lymph nodes and the number of involved nodes has been less studied issue. the aim of this study was determination of the relationship between the size of col...

anaplastic thyroid carcinoma is an uncommon, highly aggressive malignancy usually presenting in the elderly. an eighteen year old boy was recently diagnosed as anaplastic carcinoma of the thyroid.  pet/cect scan performed for staging, revealed a large fdg avid heterogeneously enhancing thyroid mass with bilateral jugular venous thrombosis, which also showed increased fdg uptake, thus pointing t...

introduction uterine leiomyomas are the most common benign solid tumors of the female pelvis. retroperitoneal myomas are extremely rare and usually malignant with the common location being in the pelvis. case presentation our case involved a woman who was suffering from dysparonia and radiculating right pelvic pain. the pelvic examination revealed a palpable tender mass of about 3-4 cm in size ...

conclusions in patients with abdominal or pelvic masses and a history of previous abdominal surgery, the possibility of gossypiboma should be kept in mind. case presentation we report two patients (the first patient was 50 years old, with a history of an appendectomy three years ago in another city; the second patient was 52 years old, with a history of a cesarean section 25 years ago in anothe...

background : common variable immunodeficiency (cvid) is associated with a broad spectrum of symptoms related to infections, chronic lung diseases, autoimmune diseases, and tumors; however, solid tumors are rare complications of cvid and gastric cancer, specially, has been reported very rarely. case presentation : the present case report describes a 28 years old known case of cvid male, who was ...

introduction: acoustic transient cavitation is the primary mechanism of sonochemical reaction and has potential use for tumor treatment. in this study, the in vivo anti-tumor effect of simultaneous dual-frequency ultrasound at low-level intensity (isata < 6 w/cm2) was investigated in a spontaneous murine model of breast adenocarcinoma in balb/c mice. materials and methods: forty tumor bearing m...

the macrophages role within the tumor microenvironment has amended by a variety of factors, thus serves a vital role in tissue morphogenesis. the role of macrophages in health and disease differs enormously as the macrophage has shown dual functions. macrophage has a basic role in antigen presentation serving as the first line of defense in diseases. however the presence of cytokines and growth...

the endometrial stromal nodule is a benign tumor composed of differentiated endometrial stromal cells arranged as a well circumscribed nodule with smooth non-invasive margins. they are rare neoplasms, diagnosed in most instances by microscopy. although nodules are benign in nature, hysterectomy is the treatment of choice to enable evaluation of the tumor margins which are well demarcated in end...

background: cardiac risk assessment with myocardial perfusion imaging (mpi) is a common practice for some elderly breast cancer patients who are candidates for operation. in rare cases the tumor may become visible in the images. case presentation: this is the report of a case with a huge slow-growing breast tumor suspicious for malignancy and presenting with methoxy-isobutyl-isonitrile (mibi) u...