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MC cause of Non Union	Early mobilization
1st Clinical sign of union	Mineralized callus
MC cause of Pseudoarthrosis	NF1
MC compartment (VIC)  - MC muscle - MC cause -	Anterior Compartment forearm FDP Tight circumferential dressing / POP
MC cause of Sudeck’s	Colles’ fracture
MC association of carpel tunnel	Hypothyroidism
MC presentation of Cong. Dislocation knee	Hyperextension
MC extraskeletal manifestation of AS	Anterior Uveitis
MC gastroenteritis in <2year	Rotavirus (dsRNA Segmented)
MC Renal vascular anomaly	Supernumerary renal arteries
MC cysts in Spleen	Hydatid Cyst
MC infectious cause of Non Immune Hydrops Fetalis	Parvovirus
MC type of Nasopharangeal Ca	SCC
MC infectious cause of Erythema Nodosum	Streptococcus
MC site of sequestration	Left Lower lobe – posterior basal segment
MC renal artery stenosis Old Young Female Young female (Indian)	Atherosclerosis Fibromuscular dysplasia Takayasu’s dis.
MC site of ectopic Pancreatic tissue	Stomach and Meckel’s diverticulum
MC site of accessory spleen	Splenic hilum and vesicular pedicle
MC motility disorder of oesophagus	Nut Cracker
MC point mutation in Beta Thallesemia	1.       In splicing region 2.       Promoter region
MC hodgkin’s Lymphoma	World – NS India – Mixed
MC cause of steroid resistant Nephrotic	FSGS
MC cause of primary hyperthyroid	1.       Bilateral cortical hyperplasia 2.       Adrenal adenoma
MC affected in Polio	Quadriceps
Most Severely affected in Polio	Tibialis Anterior
MC esophageal Ca	India – Middle 1/3 (SCC) World – Lower  1/3 ( Adeno)
MC primary malignant brain tumor in child	Meduloblastoma
MC primary brain tumor in child	Pilocytic Astrocytoma
MC abdominal mass in newborn	MultiCystic Renal Dysplasia