Items tagged “oncology”

447 results found
Article

Pharyngeal mucosal space

The pharyngeal (or superficial) mucosal space is a deep compartment of the head and neck, located between the fascia of the pharyngeal constrictor muscles (buccopharyngeal or visceral fascia) and the mucosal surface of the nasopharynx, oropharynx, and hypopharynx. Terminology Not a true anatom...
Article

Ocular pathology

Ocular pathology covers a wide range of conditions and therefore represents the cause of a wide range of symptoms, signs and radiographic features. Ocular metastases account for over 80% of all ocular pathology. With regard to the remainder of ocular lesions, the primary differentiating factor ...
Case

Sigmoidorectal intussusception caused by adenocarcinoma

 Diagnosis certain
Dr Erik Ranschaert
Published 05 Sep 2010
83% complete
CT
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

 Diagnosis certain
Dr Hani Makky Al Salam
Published 26 Sep 2010
95% complete
MRICT
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 a soft tissue tumor and account for ~8% of malignant soft tissue tumors 10. Pathology Location  Leiomyosarcomas...
Case

Metastases from follicular carcinoma thyroid

 Diagnosis certain
Dr Paresh K Desai
Published 30 Sep 2010
92% complete
MRI
Case

Sacrococcygeal yolk sac tumor

 Diagnosis almost certain
Dr Hani Makky Al Salam
Published 01 Oct 2010
74% complete
CT
Case

Lung metastases from non seminomatous germ cell tumor of testis

 Diagnosis almost certain
Dr Gagandeep Choudhary
Published 02 Oct 2010
71% complete
X-rayCT
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

 Diagnosis almost certain
Dr Bruno Di Muzio
Published 07 Oct 2010
78% complete
CTX-rayMRI
Case

Medulloblastoma

 Diagnosis certain
Dr Hani Makky Al Salam
Published 07 Oct 2010
98% complete
CTMRI
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

 Diagnosis almost certain
Dr Erik Ranschaert
Published 10 Oct 2010
64% complete
MRIX-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

 Diagnosis certain
The Radswiki
Published 20 Oct 2010
83% complete
CT