Articles

Articles are a collaborative effort to provide a single canonical page on all topics relevant to the practice of radiology. As such, articles are written and edited by countless contributing members over a period of time. A global group of dedicated editors oversee accuracy, consulting with expert advisers, and constantly reviewing additions.

12 results found
Article

Silzbach sarcoidosis chest radiographic staging system

Silzbach system is a chest radiographic staging method for sarcoidosis. stage 0: normal chest radigraph: 10% at time of diagnosis stage I: lymph node enlargement: 50% at time of diagnosis stage II: lymph node enlargement and pulmonary opacities: 30% at time of diagnosis stage III: pulmonary ...
Article

Small cell lung cancer staging

Previously, small cell lung cancer was not staged in the same manner as non small cell lung cancer, on account of it almost never being resectable at the time of diagnosis, except in rare cases where it appears as a solitary pulmonary nodule. limited disease confined to one hemithorax inclusi...
Article

Squamous cell carcinoma of the penis

Squamous cell carcinoma of the penis arises most commonly at the distal end of the penile urethra with local invasion of the glans. In addition to TNM classification, the following staging is used: Staging Stage I: confined to the glans or foreskin Stage II: invasion of penile shaft Stage I...
Article

Staging of juvenile nasopharyngeal angiofibromas

Staging of juvenile nasopharyngeal angiofibromas is performed with cross-sectional imaging, and relies on identification of local tumour extent, and invasion of adjacent spaces. For a discussion of this entity please refer to the parent article: juvenile nasopharyngeal angiofibroma.  The stagin...
Article

Staging of Legg-Calvé-Perthes disease

Staging of Legg-Calve-Perthes syndrome refers to x-ray abnormalities, and represents 4 phases of the disease: stage I: early asymmetric femoral epiphyseal size (smaller on affected side) apparent increased density of the femoral head epiphysis widening of the medial joint space blurring of ...
Article

Staging of malignant pleural mesothelioma

A number of staging systems have been described for staging of malignant pleural mesothelioma. Below is the International Mesothelioma Interest Group TNM staging system. TNM T - Tumour Tx: primary tumour cannot be assessed T0: no evidence of primary tumour T1a potentially resectable only ...
Article

Staging of primary fallopian tube carcinoma

The staging used  for primary fallopian tubal carcinoma is the FIGO system and is as follows: stage I: limited to fallopian tubes stage Ia: limited to lining of one fallopian tube (intraluminal) stage Ib: limited to inner linings of both tubes (intraluminal) stage Ic: invasion beyond the inn...
Article

Staging of retinoblastoma

A number of systems have been devised to stage retinoblastoma, with various end-points, and multiple systems are often used concurrently. The Reese Ellsworth classification is assessed with fundoscopy and aims at predicting the chance of preserving the eye with external beam radiotherapy 3. Mo...
Article

Staging of squamous cell carcinoma of the oral cavity

Staging of oral cavity squamous cell carcinoma uses the TNM staging system. Primary tumour staging (T) Tx - tumour cannot be assessed T0 - no evidence of primary tumour Tis - carcinoma in situ T1 - tumour 2 cm or less in greatest dimension T2 - tumour greater than 2 cm and less than 4 cm i...
Article

Staging of transitional cell carcinoma of the bladder

Transitional cell carcinoma of the bladder is staged
 using the TNM system (which has 
 replaced the previously widely used Jewett-Scott-Marshall tumour staging system. It is very 
 similar to staging
 of TCC of the renal pelvis and to staging
 of TCC of the ureter. TNM &...
Article

Staging of transitional cell carcinoma of the renal pelvis

Transitional cell carcinoma of the renal pelvis is staged using the TNM system and is very similar to staging of TCC of the bladder and to staging of TCC of the ureter. TNM staging T Ta: non invasive papillary tumour Tis: in situ (non invasive flat) T1: through lamina propria into sub-epith...
Article

Staging of transitional cell carcinoma of the ureter

Transitional cell carcinoma of the ureter is staged using the TNM system and is very similar to staging of TCC of the bladder and to staging of TCC of the renal pelvis.  TNM staging T Ta: non invasive papillary tumour Tis: in situ (non invasive flat) T1: through lamina propria into sub-epit...

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