Unknown Case #199: Idiopathic infantile arterial calcification

Unknown Case #198: Prostaglandin-induced side effects

Unknown Case #197: Lingual osseous choristoma

Unknown Case #196: Congenital liver hemangioma

Unknown Case #195: Gastrointestinal stromal tumor in patient with NF-1

Unknown Case #194: Oxidized cellulose (Surgicel)

Unknown Case #193: Subperiosteal abscess

Unknown Case #192: Meckel-Gruber syndrome

Unknown Case #191: Hemorrhagic pineal cyst (pineal apoplexy)

Unknown Case #190: Hepatic artery-portal vein fistula

Unknown Case #189: Arterial tortuosity syndrome

Unknown Case #188: CSF-oma

Unknown Case #187: Hepatic venoocclusive disease (Thioguanine induced)

Unknown Case #186: Kawasaki disease with giant coronary artery aneurysms

Unknown Case #185: Cervical lung herniation

Unknown Case #184: Disorder of sex development with ovotestes (true hermaphroditism)

Unknown Case #183: Pulmonary tuberculosis

Unknown Case #182: Congenital pulmonary venolobar syndrome

Unknown Case #181: Mesenchymal hamartoma of the chest wall

Unknown Case #180: Graft-versus-host disease (GVHD) of the gastrointestinal tract

Unknown Case #179: Intermittent testicular torsion (bilateral)

Unknown Case #178: Congenitally corrected transposition of the great arteries (CCTGA)

Unknown Case #177: Bronchiolitis obliterans

Unknown Case #176: Langerhans cell histiocytosis

Unknown Case #175: Pulmonary embolus (postmortem)

Unknown Case #174: Focal nodular hyperplasia

Unknown Case #173: Conjoined twins (omphalopagus)

Unknown Case #172: Median cleft face (DPG-plus) syndrome

Unknown Case #171: Herniation of the right ovary, fallopian tube and uterus into the inguinal canal and labia

Unknown Case #170: Multifocal polypoid gastric heterotopia

Unknown Case #169: Pilomatricoma

Unknown Case #168: Osteoid osteoma

Unknown Case #167: Methotrexate osteopathy

Unknown Case #166: Persistent hypoglossal artery

Unknown Case #165: Meckel’s diverticulum as a lead point for intussusception

Unknown Case #164: Persistent Blake's pouch cyst

Unknown Case #163: Xanthogranulomatous pyelonephritis

Unknown Case #162: Neuroendocrine cell hyperplasia of infancy (NEHI)

Unknown Case #161: Duplication cyst (rectal)

Unknown Case #160: Choledochal cyst (type 1)

Unknown Case #159: Testicular adrenal rests and congenital adrenal hyperplasia

Unknown Case #158: Ebstein's anomaly

Unknown Case #157: Periosteal osteosarcoma

Unknown Case #156: Body stalk anomaly / limb body wall complex

Unknown Case #155: Chronic recurrent multifocal osteomyelitis

Unknown Case #154: Congenital diaphragmatic hernia with hernia sac

Unknown Case #153: Meconium pseudocyst

Unknown Case #152: Melanotic neuroectodermal tumor of infancy

Unknown Case #151: Crohn disease

Unknown Case #150: Campomelic dysplasia

Unknown Case #149: Congenital hydrocolpos due to imperforated hymen

Unknown Case #148: Fibrous hamartoma of infancy

Unknown Case #147: Ollier Disease (multiple enchondromas)

Unknown Case #146: Inflammatory myofibrobalstic tumor (IMT) of small bowel mesentery

Unknown Case #145: Sacrococcygeal teratoma (Type 2)

Unknown Case #144: Ewing sarcoma

Unknown Case #143: Dandy Walker Malformation and occipital meningocele

Unknown Case #142: Filamin A Mutation

Unknown Case #141: Fibrodysplasia ossificans progressiva

Unknown Case #140: Midgut malrotation complicated by volvulus

Unknown Case #139: Retinoblastoma (metastatic to the cervical spine)

Unknown Case #138: Astroblastoma

Unknown Case #137: Vein of Galen Malformation

Unknown Case #136: Gorham's disease

Unknown Case #135: Mucoepidermoid carcinoma

Unknown Case #134: Venous malformation of the jejunum

Unknown Case #133: Gastroschisis

Unknown Case #132: Extramedullary hematopoiesis

Unknown Case #131: Pierre Robin sequence

Unknown Case #130: Solid pseudopapillary tumor (SPT) of the pancreas

Unknown Case #129: Takayasu’s Arteritis

Unknown Case #128: Eosinophilic Granuloma (EG) of the spine

Unknown Case #127: Enterolithiasis

Unknown Case #126: Tracheobronchial Papillomatosis

Unknown Case #125: Dermoid cyst

Unknown Case #124: Liver adenomatosis

Unknown Case #123: Meconium peritonitis

Unknown Case #122: Metastatic Retroperitoneal Paraganglioma

Unknown Case #121: Ganglioneuroblastoma

Unknown Case #120: Small bowel obstruction due to multiple magnet ingestion

Unknown Case #119: Fetal Caudal Regression Syndrome

Unknown Case #118: Post-transplant lymphoproliferative disorder (PTLD)

Unknown Case #117: Mature Sacrococcygeal Teratoma, Type IV

Unknown Case #116: Meckel’s diverticulum

Unknown Case #115: Ewing sarcoma

Unknown Case #114: Infantile myofibroma

Unknown Case #113: Phosphaturic mesenchymal tumor (aka oncogenic osteomalacia, tumor-induced rickets)

Unknown Case #112: Renal cell carcinoma associated with a chromosomal translocation (i.e. t(X, 17))

Unknown Case #111: Histoplasmosis

Unknown Case #110: Nasolacrimal duct mucoceles (bilateral)

Unknown Case #109: Cuboid-navicular tarsal coalition

Unknown Case #108: Acute tibiotalar synovitis with hemarthrosis, in a patient with the underlying diagnosis of hemophilia

Unknown Case #107: Twin reversed perfusion arterial sequence

Unknown Case #106: Chronic recurrent multifocal osteomyelitis (CRMO)

Unknown Case #105: Enteric (duodenal) duplication cyst

Unknown Case #104: Extra-renal rhabdoid tumor

Unknown Case #103: Klippel Trenaunay Syndrome

Unknown Case #102: Pigmented villonodular synovitis

Unknown Case #101: Fishtail deformity

Unknown Case #100: Agenesis of corpus callosum, subependymal gray matter heterotopias, cyst at foramen of Luschka, and coloboma