Histological Grade and Prognosis Correlation
The histological grade of a malignancy assesses how abnormal the cancer cells appear under a microscope and influences the predicted course of the disease (prognosis).
Analyzing Malignancy Prognosis Factors
Different cancers rely on various factors for prognostic assessment. Let's review the options:
- Prostate cancer: Prognosis is influenced by the Gleason score (a grading system) but significantly relies on clinical stage and PSA levels.
- Melanoma: Prognosis is primarily determined by tumor thickness (Breslow depth), ulceration, and mitotic rate rather than a distinct histological grade.
- Colonic adenocarcinoma: While tumor grade (differentiation) is considered, the overall TNM stage is the most critical prognostic factor.
- Soft tissue sarcoma: Histological grade is a primary determinant of prognosis. High-grade sarcomas (e.g., Grade 3) tend to grow faster, metastasize more frequently, and have a poorer prognosis compared to low-grade sarcomas (e.g., Grade 1).
Conclusion on Grading and Prognosis
Among the choices provided, the histological grade shows the strongest correlation with the prognosis specifically in soft tissue sarcomas.
Important Questions from Tumours
- Which one of the following is NOT correct regarding MEN-1 syndrome?
- All of the following are hormonal agents used in treatment of cancer EXCEPT:
- Which one of the following is NOT associated with BRCA1/BRCA2 genes ?
Which of the following are correct regarding Li-Fraumeni syndrome?
1. It has autosomal dominant inheritance and is associated with P53 gene.
2. It has autosomal recessive inheritance and is associated with P53 gene.
3. It is associated with an increased risk of sarcomas and leukaemia.
4. It is associated with an increased risk of brain tumours and osteo- sarcomas.
Select the answer using the code given below.
- Which one of the following is correct regarding Gastrointestinal Stromal Tumour (GIST)?
