Items tagged “oncology”
445 results found
Article
Adult cervical lymphadenopathy (differential)
Cervical lymphadenopathy in an adult can result from a vast number of conditions. They include:
malignancy
metastases
from head and neck tumors
lymphoma
other neoplastic lesions
Castleman disease
Kaposi sarcoma
infection
bacterial infection
viral infection
Epstein-Barr virus
herpes ...
Article
Incidentaloma
An incidentaloma is a radiological neologism to denote a lesion found incidentally and of dubious clinical significance. Although it can refer to any incidental lesion (e.g. pituitary 3, thyroid 4), it is most often used to denote an incidental adrenal lesion, which is commonly an adrenal adenom...
Case
Pilocytic astrocytoma
Published
26 Sep 2010
95% complete
MRI
CT
Article
Leiomyosarcoma
Leiomyosarcomas are extremely rare malignant neoplasms that originate from smooth muscle cells and may be considered the malignant counterpart of a leiomyoma. They are classified as soft-tissue tumors and account for approximately 8% of malignant soft-tissue tumors 10.
Pathology
Location
Lei...
Case
Metastases from follicular carcinoma thyroid
Published
30 Sep 2010
92% complete
MRI
Case
Sacrococcygeal yolk sac tumor
Published
01 Oct 2010
74% complete
CT
Case
Lung metastases from non seminomatous germ cell tumor of testis
Published
02 Oct 2010
71% complete
X-ray
CT
Article
Bone lesions with sequestrum
There are several bony lesions that can involve or produce a sequestrum.
They include:
Common
Brodie abscess: osteomyelitis
Less common
eosinophilic granuloma
certain soft tissue tumors (with bony extension)
malignant fibrous histiocytoma
lymphoma
metastasis (especially from breast ca...
Case
Osteosarcoma - femur
Published
07 Oct 2010
78% complete
X-ray
MRI
CT
Case
Medulloblastoma
Published
07 Oct 2010
95% complete
MRI
CT
Article
Urethral diverticulum
Urethral diverticula, or urethroceles, are focal outpouchings of the urethra. They should not be confused with a ureterocele of the distal ureter.
Epidemiology
Urethral diverticula occur far more frequently in women than in men and are estimated to occur in 1-6% of women, especially those with...
Article
Tumors of the male urethra
Tumors of the male urethra are uncommon. They can be categorized both on the grounds of histology and location.
Histology
squamous cell carcinoma of the urethra: 80%
urothelial/transitional cell carcinoma of the urethra: 15% (predominantly posterior urethra)
adenocarcinoma of the urethra: 5%...
Case
Venous malformation in the limb of a newborn
Published
10 Oct 2010
64% complete
MRI
X-ray
Article
Testicular teratoma
Testicular teratoma, unlike ovarian teratoma, is often aggressive in its biological behavior, and often exists as part of testicular mixed germ cell tumors.
Epidemiology
Pure testicular teratomas account for only 4-9% of all testicular tumors. A similar number are seen in the context of test...
Article
Mantle cell lymphoma
Mantle cell lymphoma (MCL) is a type of non-Hodgkin lymphoma (NHL) and accounts for ~5% of all NHL. It is a malignant neoplasm of virgin B cells that closely resemble normal mantle zone B cells surrounding germinal centers.
Epidemiology
They occur in older adults (mean age ~60 years), and ther...
Article
Accessory breast tissue
Accessory breast tissue, also known as polymastia, is a relatively common congenital condition in which abnormal accessory breast tissue is seen in addition to the presence of normal breast tissue. This normal variant can present as a mass anywhere along the course of the embryologic mammary str...
Case
Biliary cystadenoma
Published
20 Oct 2010
74% complete
CT
Case
Bronchoalveolar carcinoma
Published
20 Oct 2010
36% complete
CT
Case
Bronchoalveolar carcinoma
Published
20 Oct 2010
25% complete
Case
Brown tumor
Published
20 Oct 2010
50% complete
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X-ray