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.

8 results found
Article

Testicular cancer (staging)

The staging for testicular tumours is performed according to the TNM system with staging groupings. It can be remembered in its abbreviated form as:  stage I: confined to testis, epididymis, spermatic cord, scrotum stage II: lymph nodes involved but no distant metastases and serum tumour marke...
Article

Thyroid cancer (staging)

Successful treatment of thyroid malignancies highly depends on accurate preoperative staging. Ultrasound and ultrasound guided FNA or core biopsy remain the investigation of choice for diagnosing primary thyroid malignancies; CT and MRI are inferior to ultrasound for characterising thyroid nodu...
Article

TNM staging system

The TNM system has been widely adopted in many areas as a replacement for idiosyncratic disease specific systems. The number of Ts Ns and Ms depend on the tumour/site but in general: TNM T: Tumour Tx: primary tumour cannot be assessed T0: no evidence of primary tumour Tis: carcinoma in situ...
Article

Transitional cell carcinoma (staging)

Staging of transitional cell carcinomas of the urinary tract vary according to the location of the tumour, and are staged using the TNM staging system.  transitional cell carcinoma of the renal pelvis transitional cell carcinoma of the ureter transitional cell carcinoma of the bladder  
Article

Transitional cell carcinoma of the bladder (staging)

Transitional cell carcinoma of the bladder staging uses the TNM system which has replaced the previously widely used Jewett-Scott-Marshall tumour staging system. It is very similar to the staging of TCC of the renal pelvis and staging of TCC of the ureter. TNM staging T Ta - non-invasive papi...
Article

Transitional cell carcinoma of the renal pelvis (staging)

Transitional cell carcinoma of the renal pelvis staging uses 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: noninvasive papillary tumour Tis: in situ (noninvasive flat) T1: through lamina propria into sub-epithelial...
Article

Transitional cell carcinoma of the ureter (staging)

Transitional cell carcinoma of the ureter staging uses 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: noninvasive papillary tumour Tis: in situ (noninvasive flat) T1: through lamina propria into sub-epithelia...
Article

Traumatic abruption placenta scale

The traumatic abruption placenta scale (TAPS) was devised to stratify placental injury findings on CT. Since placental abruption is a concern in a pregnant patient who has undergone traumatic injury, CT is occasionally the first imaging modality used to evaluate the placenta. 0: normal homogene...

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