Radiation Therapy

Radiation Therapy


Most Common skin manifestation- Erythema

Most Sensitive blood cell- Lymphocyte

Most resistant blood cells- Platelets
Most Sensitive body tissues- Bone marrow, Testis, Ovary
Most resistant body organ- Bone
Most sensitive cell in CNS- Neuron
Most senstive CNS parts- Mid brain, Medulla, Spinal cord
Most senstive abdominal organ- Kidney
Most sensitive mucosa- Intestinal mucosa

YOU SHOULD KNOW:


Most Common (MC) Cancers:
World
India
Most Common
Lung
Cervico-uterine
Male
Lung
Lung
Female
Breast
Cervico-uterine
Children
ALL
Infancy
Neuroblastoma
Fetus & Neonate
Sacrococcygeal teratoma
MC:
MC Benign tumour of Infancy
Hemangioma
MC inherited childhood tumour
RB
MC solid tumour of Childhood
Brain tumour
MC malignant tumour of Kidney in children
WT
MC soft tissue sarcoma in children
Rhabdomyosarcoma
MC GIT tumour in childhood
Lymphoma
MC Intraabdominal tumour:
1st 2 year
Neuroblastoma
2 – 5 year
WT
Children (No age specification)
Neuroblastoma
Secondaries:
MC site for secondaries
LN (Lymph Nodes)
2nd MC site for secondaries
Liver
MC source for liver secondaries
Colorectal
Source of Bone secondaries
1.Prostate (male)
2.Breast (female) 
3.Neuroblastoma (child)
Breast:
MC Disorder
Fibroadenosis
MC Tumour
Fibroadenoma
MC Cancer
Invasive Ductal Ca
MC Site
Upper outer quadrant of Left breast
MC cause of death
Metastasis
Brain:

MC tumour  
2° of Brain (MC source – SCC of Lung)
MC 1°tumour 
Glioblastoma (Adult), Medulloblastoma (Child)
Worst prognosis
Glioblastoma
Best prognosis 
Oligodendroglioma
Associated with NF- 1
Optic glioma
ASSOCIATED WITH NF-2
B/L Acoustic Schwanomna
MC Benign
Meningiomas/Neurofibromas
1° intramedullary
Ependymoma
Extramedullary
Neurofibroma
Radiosensitive
Medulloblastoma

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