((( some most common mass,tumor, cancers ))
1) most common palpable abdominal mass in newborn is hydronephrosis.
2) most common palpable abdominal
mass in infant and children<2years is neuroblastoma.
3) most common palpable abdominal mass in children > 2years is nephroblastoma ( wilms tumor).
4) most common tumor in children is ALL ( acute lymphocytic leukemia).
5) 2ed most common tumor in children is brain tumor.
6) most common solid tumor in children is brain tumor.
7) 3ed most common tumor in children is lymphoma.
8 ) most common brain tumor in children is benign astrocytoma.
9) 2ed most common brain tumor in children is medullaplastoma .
10) 3ed most common brain tumor is ventricle tumor ( ependymoma).
11) most common brain tumor in adult is mets.
12) most common primary brain tumor in adult is malignant Astrocytoma.
13) most common bone tumor in adult is mets.
14) most common primary bone tumor in adult is multiple myeloma.
15) most common benign bone tumor in children is osteochondroma.
16) most common malignant bone tumor in children is osteosarcoma
(Osteogenic sarcoma).
17) 2ed most common malignant bone tumor in children is Ewing sarcoma.
18) most common optic nerve tumor is optic nerve glioma (benign).
19) most common malignant tumor of eye is retinoblastoma.
19) most common lung cancer is squamous cell carcinoma.
20) most common lung cancer associated with smoking is squamous cell carcinoma.
21) most common lung cancer associated with non smoker is adenocarcinoma.
22) most common lung cancer associated with asbestosis is adenocarcinoma.
23) most common lung cancer associated with obstruction inferior vena cava is small cell carcinoma.
24) most common lung cancer associated with high hyalouronic acid is adenocarcinoma.
25) most common adrenal Medullary Tumor in Adults is Pheochromocytoma.
26) most common adrenal Medullary Tumor in Children is Neuroblastoma.
27) most common primary cardiac Tumor in Adults is Myxoma (Ball Valve).
28) most common primary cardiac Tumor in Children is Rhabdomyoma.
29) Most common Cardiac tumor in Adults is Metasteses.
30) most common pituitary tumor is Prolactinoma.
31) most common skin cancer is basal cell carcinoma.
32) most common gastric cancer is adenocarcinoma.
33) most common thyroid cancer is papillary carcinoma.
34) most common pancreatic cancer is adenocarcinoma.
35) most common esophagus cancer is squamous cell carcinoma.
36) most common tumor in infancy is hemangioma.
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