Most Common Page 5 Flashcards
MC childhood tumor to metastasize to the liver
neuroblastoma (followed by lymphoma, leukemua, and Wilm’s tumor)
MC causes of splenomegaly in the newborn and young infant
bacterial sepsis and infection
MC endocrine tumor
benign islet cell adenoma (insulinoma
MC malignant tumor of the small intestine
non-Hodgkin lymphoma
MC colon lesions
inflammatory polyps or polyps associated with one of the colonic polyposis syndromes
MCC of pneumoperitoneum in the NICU
necrotizing enterocolitis
MCC of secondary peritonitis in children
perforated appendix
m MC type of peritoneal TB
wet type
MCC of peritoneal calcification in the neonate
meconium peritonitis
MC type of vasculolymphatic malformation to affect the peritoneal cavity and mesentery
lymphatic malformations (formerly known as lymphangiomas)
MCC of pseydomyxoma peritonei
rupture of appendiceal mucinous adenoma
MC anterior abdominal wall defect
gastroschisis (2nd MC: omphalocele)
MC sites of primary malignant mesenchymoma
retroperitoneum or thigh
MC complication of a choledochal cyst
ascending cholangitis
MCC of neonatal cholestasis, primary indication for pediatric liver transplantation
biliary atresia
MCC of pancreatitis (in children)
idiopathic or posttraumatic
MCC of chronic liver disease in pediatric patients
hepatic steatosis
MC site of duplications after the ileum
esophagus
MC neurologic abnormality resulting to swallowing disorders in infants and children
cerebral palsy
MC location where coins typically lodge
thoracic inlet
MCC of food bolus impaction in children
eosinophilic esophagitis
MC finding of eosinophlic esophagitis
normal
2nd MC GI manifestation of CMV infection after colitis
esophagitis
Most commonly ingested foreign body
coins
MC location of congenital gastric diverticula
posterior wall
MC heterotopia in the GIT
ectopic pancreas
MC surgical entity affecting infants during the 1st 6 months of life
hypertrophic pyloric stenosis (HPS)
MC antropyloric abnormality mimicking HPS on an UGIS
pylorospasm
MC location of gastric perforations
high in the stomach along the greater curvature
3 MC bezoar types
trichobezoars, phytobezoars, lactobezoars
MC smooth muscle neoplasm arising in the GIT (but very rare outside of the esophagus
nd rectosigmoid) polypoid leiomyomas
MC gastric tumors in children
polyps
MC associated neoplasm in Meckel’s diverticulum
carcinoids
MC presentation of Meckel diverticulum
painless rectal bleeding
MC location of lymphatic malformations in the mesentery
ileal mesentery
MCC of duodenal injury
non-accidental trauma
MC finding in an acute duodenal ulcer
contrast within an ulcer crater
MCly associated systemic abnormality in patients w/ duodenal adenomatous polyps
FAP
MC abnormality on barium studies in patients with HIV enteropathy
nonspecific edema
MC extraintestinal condition of Crohn disease in the pediatric population
arthritis
MC abdominal radiograph finding in patients with IBD
absence of stool in the involved portions of the colon
Most commonly affected GI segment in patients with Behcet syndrome
ileocecal area
MCC of intestinal malabsorption in childhood
celiac disease (aka nontropical sprue / gluten enteropathy)
MC vasculitis of childhood (2-6 yo)
Henoch-Schonlein purpura
Most commonly involved location of Peutz-Jeghers syndrome
small bowel (exception siya sa mga polyposis syndromes kasi in general, colon iyong primary site of involvement
MC location of Burkitt lymphoma
terminal ileum (high concentration of lymphatic nodal tissue)
MC subtye of non-Hodgkin lymphoma that occurs in children
Burkitt lymphoma
MC cardiovascular abnormalities in anorectal malformation
ASD and PDA, followed by TOF and VSD
Hirschsprung diease is most commonly associated with?
Down syndrome
MC newborn surgical emergency
NEC
MC underlying malignancies in pediatric patients with neutropenic colitis
ALL and AML
MC site of neutropenic colitis
cecum (hence, typhlitis)
MC area to twist in colonic volvulus in children
cecum (in adults, sigmoid colon)
MC neoplasm of the colon
juvenile polyps
MC intestinal tumors in childhood
isolated juvenile or hamartomatous polyp
MC location of juvenile or hamartomatous polyps
sigmoid colon and rectum
MC of the hamartomatous syndromes
juvenile polyposis syndrome
MC subtype in sporadic cases of pediatric colon cancer
mucinous ca
MC site of carcinoid tumor involving the GIT
appendix
MC type of interrupted aortic arch
type B (between the left common carotid and left subclavian arteries)
MC CHD in NF1
pulmonary stenosis
2nd MC genetic anomaly associated with CHD after Down syndrome
Noonan syndrome
Pneumopericardium is most often seen in?
premature infants who undergo positive pressure ventilation
MCC of cardiomegaly in an acyanotic patient with increased pulmonary vascularity
VSD
MC identifiable causes of pericardial effusion in children
infectious and iatrogenic
MC cardiac malformation in fetal alcohol exposure
VSD
MCC of congenital aortic stenosis
bicuspid aortic valve
MC risk factor for pulmonary embolism in children
catheter thrombosis
MC bacterial infection presenting as multiple bilateral alveolar opacities (same din sa adults)
adults) staphylococcal
MCC of lobar pneumonia throughout childhood (same sa adults)
Strep pneumoniae
MCC of acute peribronchial opacities
viral respiratory infections
MC associated CHD in the presence of congenital lung hypoplasia
TOF or persistent truncus arteriosus
MCC of bilateral pulmonary hypoplasia
compression of the lungs during fetal development
MCC of intrathoracic compression of the fetal lungs
congenital diaphragmatic hernia
MCC of extrathoracic compression of the fetal lungs
oligohydramnios
MCC of bilateral overaeration of the lungs
airway obstruction
MCC of widespread obstruction of the peripheral airway which is a common cause of obstructive emphysema
viral bronchitis and bronchiolitis or asthma
MCC of obstructive emphysema in older infants and children
endobronchial foreign body or mucous plug
Mucous plugs occur most commonly in
asthmatics and children with viral LRTI (see above, similar lang)
Unilateral pleural effusions are most commonly associated with
pneumonia
MCC of massive pleural effusion in the neonate / MCC of congenital hydrothorax
chylothorax
MC pulmonary “mass” in children
pseudomass caused by a spherical pnueumonia
MC true lung masses
postinflammatory granulomas (TB or fungal)