Che significa tumore scarsamente differenziato?

Che significa tumore scarsamente differenziato?

Carcinomi poco differenziati. In questi casi al microscopio le cellule vengono identificate come appartenenti a un carcinoma, ma non ci sono dettagli sufficienti per una classificazione più precisa. Circa il 30 per cento dei tumori con sede primitiva ignota rientra in questa categoria.

Che significa tumore al secondo stadio?

Mentre il primo indica quanto è grande un tumore e quanto si è diffuso nell'organismo, il secondo descrive quanto le caratteristiche anomale delle cellule tumorali siano spiccate.

What is the difference between G3 and G4 cancer?

• Grade 3 and Grade 4 tumors tend to grow rapidly and spread faster than tumors with a lower grade. If a grading system for a tumor type is not specified, the following system is generally used (1): GX: Grade cannot be assessed (undetermined grade) G1: Well differentiated (low grade) G2: Moderately differentiated (intermediate grade)

What is the difference between neuroendocrine tumours (NET G3 and NEC)?

• Summary: In addition to the proliferative activity, the tumour differentiation seems to play a major role, further dividing the NEN G3 group into neuroendocrine tumour (NET) G3 and NEC. NET G3 often arise in the pancreas, and their median proliferation rate is lower and prognosis is better as compared to NEC.

What are the treatment options for net G3 in colon cancer?

• (3) There is no established standard for NET G3; treatments established for NET G2 such as temozolomide-based chemotherapy or peptide receptor radiotherapy may be considered. (4) Specific trials for NET G3 are necessary.

What is the who classification of neuroendocrine tumors?

• In the most current WHO classification for tumors of the endocrine organs, well differentiated grade 3 neuroendocrine tumors (NET G3) have been distinguished from poorly differentiated grade 3 neuroendocrine carcinomas (NEC G3).