Radiotherapy

Radiation dose (for 5 years) safe for occupational workers?

100 mSievert

Maximum dose for an year for occupational worker can be 30 mS

Radiation dose (for 5 years) safe for general public?
5 mSievert

🔹Maximum dose in a year for this can be 1 mS

Radiation dose (for whole pregnancy) safe for pregnant occupational workers?

2 mSievert

🔹Maximum exposure to lower abdomen of female is 2 mS which is same as 1 mS to the fetus.

Tumours sensitivity

Radioresistant Tumors (M.O.P)
   1. Melanoma.
   2. Osteosarcoma.
   3. Pancreatic Carcinoma.

Radiosensitive Tumors (W.E.L.Se.M)
   1. Wilm's Tumor.
   2. Ewing's Sarcoma.
   3. Lymphoma.
   4. Seminoma.
   5. Multiple Myeloma.
   6. Medulloblastoma.

(Remember Both as MOP-WELSeM, if you could)

Chemoresistant Tumors - (G.B.S.S)
  1. Gastric carcinoma.
  2. Bladder Carcinoma.
  3. Soft Tissue Sarcoma.
  4. Squamous Cell carcinoma of Head and Neck.

Chemosensitive Tumors - 
  1. Wilm's Tumor.
  2. Lymphoma.
  3. Teratoma.
  4. ALL in Children.
  5. Choriocarcinoma.
  6. Ewing's Sarcoma.
  7. Rhabdomyosarcoma.

Most Radiosensitivity

“Most radiosensitive cell of body is lymphocyte”
“Most radiosensitive ovarian tumour or of wholebody is dysgerminoma”
“Most common radiosensitive lung tumor is smallcell carcinoma of lung”
“Most common radiosensitive testicular tumor is seminoma”
“Most common radiosensitive bone tumours are multiple myeloma and Ewings sarcoma”
“Most common radiosensitive brain tumor medulloblastoma”
“Most common radiosensitive renal tumor willms tumor”