Lymphatics Flashcards
What drains the right upper limb and the right side of head and neck?
Right lymphatic duct
What drains the entire left side of the body and the left lower limb?
Thoracic duct
Can the lymph drainage around the lip cross to the opposite side?
Yes
Can the lymph drainage of the neck flow against gravity?
Yes
Degree of differentiation exhibited by cells
• How closely cells resemble normal tissue structure
Grading
Which grade of tumor is low grade?
Grade I
Which grade of tumor is moderately differentiated
Grade II
Which grade of tumor is poorly differentiated
Grade III
- Based upon the size and extent of metastatic spread of the lesion
- Tumor-node-metastasis (TNM) system used for most cancers
Staging
Which portion of the TMN system deals with Size, in cm, of the tumor?
(T)
Which portion of the TMN system deals with Involvement of lymph nodes?
(N)
Which portion of the TMN system deals with Presence or absence of distant metastasis?
(M)
___ stands for no evidence of primary tumor
T0
___ stands for Carcinoma in situ at primary site
Tis
___ stands for Tumor less than 2 cm
T1