Items tagged “oncology”
445 results found
Article
Choriocarcinoma
Choriocarcinoma is an aggressive, highly vascular tumor. When it is associated with gestation, it is often considered part of the spectrum of gestational trophoblastic disease; it is then termed gestational choriocarcinoma. When it occurs in the absence of preceding gestation, it is termed non-g...
Article
Ovarian thecoma
Ovarian thecomas are benign ovarian tumors of sex cord / stromal (mesenchymal) origin. They are thought to account for approximately 0.5-1% of all ovarian tumors. As ovarian thecomas secrete estrogen, they are described as functional ovarian tumors.
Epidemiology
They typically present in older...
Case
Lung cancer metastasis to bone - forearm
Published
17 Mar 2011
85% complete
X-ray
Case
Gliosarcoma
Published
22 Mar 2011
91% complete
CT
MRI
Article
Paget disease (breast)
Paget disease of the breast, which is also known as Paget disease of the nipple, has traditionally been described as a form of breast malignancy characterized by infiltration of the nipple epidermis by malignant cells. Although most cases have underlying focus or foci of in situ or invasive carc...
Article
Cervical carcinoma
Cervical carcinoma is a malignancy arising from the cervix. It is the third most common gynecologic malignancy (after endometrial and ovarian).
Epidemiology
It typically presents in younger women with an average age of onset at around 45 years.
Risk factors
human papillomavirus (HPV) 16 and...
Article
Nephroblastomatosis
Nephroblastomatosis refers to diffuse or multifocal involvement of the kidneys with nephrogenic rests (persistent metanephric blastema).
Epidemiology
Nephrogenic rests are found incidentally in 1% of infants.
Pathology
Nephrogenic rests are foci of metanephric blastema that persist beyond 36...
Article
CT guided thoracic biopsy
CT guided thoracic biopsy is usually performed for the diagnosis of suspicious lung, pleural, or mediastinal lesions. It can be performed as an outpatient procedure where patient monitoring and complications support are available. A small percentage of lung and pleural biopsies may be performed...
Article
Anterior mediastinal mass in the exam
Getting a film with an anterior mediastinal mass in the exam is one of the many exam set-pieces that can be prepared for.
The film goes up and after a couple of seconds pause, you need to start talking:
CXR
There is a left sided mediastinal mass that makes obtuse angles with the mediastinal c...
Case
Ovarian dermoid
Published
21 Apr 2011
60% complete
Ultrasound
Article
Post surgical breast scar
Post surgical breast scar is a benign complication that usually occurs following surgical intervention to breast tissue. It can however be a strong and potentially very confusing mimicker of breast malignancy.
Radiographic features
Review of the patient's past history and previous mammography ...
Article
Immature ovarian teratoma
Immature ovarian teratomas are uncommon ovarian germ cell tumors. They differ from mature ovarian teratomas (dermoid cysts) both histologically by the presence of immature tissue, and clinically by their more malignant behavior.
Epidemiology
They are considerably less common than mature ovaria...
Case
Pott puffy tumor
Published
31 May 2011
65% complete
CT
Case
Supratentorial ependymoma
Published
23 Jun 2011
74% complete
MRI
Case
Ovarian fibroma
Published
03 Jul 2011
98% complete
MRI
Case
Pigmented villonodular synovitis - ankle joint
Published
12 Jul 2011
80% complete
MRI
Case
Hepatocellular carcinoma with "nodule-in-nodule" apearance
Published
25 Jul 2011
37% complete
CT
MRI
Article
PET-CT indications
PET-CT is a combination of cross-sectional anatomic information provided by CT and the metabolic information provided by positron emission tomography (PET).
PET is most commonly performed with 2-[F-18]fluoro-2-deoxy-D-glucose (FDG). Fluorine-18 (F-18) is an unstable radioisotope and has a half-...
Article
Pulmonary opacification
Pulmonary opacification represents the result of a decrease in the ratio of gas to soft tissue (blood, lung parenchyma and stroma) in the lung. When reviewing an area of increased attenuation (opacification) on a chest radiograph or CT it is vital to determine where the opacification is. The pat...
Case
Osteoblastic metastases - prostatic adenocarcinoma
Published
12 Aug 2011
65% complete
CT
Unable to process the form. Check for errors and try again.