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:
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World
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India
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Most Common
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Lung
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Cervico-uterine
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Male
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Lung
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Lung
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Female
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Breast
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Cervico-uterine
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Children
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ALL
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Infancy
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Neuroblastoma
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Fetus & Neonate
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Sacrococcygeal teratoma
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MC:
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MC Benign tumour of Infancy
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Hemangioma
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MC inherited childhood tumour
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RB
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MC solid tumour of Childhood
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Brain tumour
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MC malignant tumour of Kidney in children
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WT
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MC soft tissue sarcoma in children
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Rhabdomyosarcoma
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MC GIT tumour in childhood
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Lymphoma
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MC Intraabdominal tumour:
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1st 2 year
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Neuroblastoma
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2 – 5 year
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WT
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Children (No age specification)
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Neuroblastoma
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Secondaries:
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MC site for secondaries
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LN (Lymph Nodes)
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2nd MC site for secondaries
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Liver
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MC source for liver secondaries
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Colorectal
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Source of Bone secondaries
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1.Prostate (male)
2.Breast (female)
3.Neuroblastoma (child)
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Breast:
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MC Disorder
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Fibroadenosis
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MC Tumour
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Fibroadenoma
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MC Cancer
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Invasive Ductal Ca
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MC Site
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Upper outer quadrant of Left breast
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MC cause of death
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Metastasis
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Brain:
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MC tumour
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2° of Brain (MC source – SCC of Lung)
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MC 1°tumour
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Glioblastoma (Adult), Medulloblastoma (Child)
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Worst prognosis
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Glioblastoma
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Best prognosis
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Oligodendroglioma
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Associated with NF- 1
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Optic glioma
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ASSOCIATED WITH NF-2
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B/L Acoustic Schwanomna
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MC Benign
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Meningiomas/Neurofibromas
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1° intramedullary
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Ependymoma
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Extramedullary
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Neurofibroma
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Radiosensitive
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Medulloblastoma
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