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Obstetric
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Thoraci Neuroblastoma Neuroblastomas arise from cells which have their origin in the neural crest. As a result, the sympathetic ganglia give rise to 30% of lesions which may occur in the thorax, abdomen, pelvis or head and neck. The remaining 70% of lesions arise from the adrenal... 01 January 2001 Thoracic Gastroenteric Cyst These are forms of duplications and are cysts lined with gastric or intestinal mucosa. They have a muscular wall and may communicate with other structures such as the bronchus or even the neural canal.The presence of a cyst in the mediastinum should be suggest... Dr Vibeke Brocks 01 January 2001 Thanatophoric Dysplasia Thanatophoric dysplasia (TD) is characterized by micromelia, large head, a long, narrow trunk and extremely short ribs. Most infants die in the neonatal period, often due to pulmonary hypoplasia secondary to the small thoracic cage. The incidence is quoted as... Dr bernard Benoit; Dr Karl Gloning; Dr Vibeke Brocks 01 January 2001 Renal Hypoplasia Renal hypoplasia signifies small kidneys or kidneys with a reduction in the number of nephrons. It may be segmental, unilateral or bilateral. Unilateral hypoplasia is associated with hypertension in the first decade of life. Bilateral hypoplasia is associat... 01 January 2001 Meconium Peritonitis Meconium peritonitis results from bowel perforation which arises probably secondarily to meconium ileus. The commonest association is with cystic fibrosis (25% to 40%), an autosomal recessive condition due to a gene deletion on chromosome 7. Why this condition... Dr Challis, Farine, Morrow, Ritchie, Ryan; Professor Martin Whittle 01 January 2001 Ebstein's Malformation in Corr TGA If an apically displaced valve is seen in the posterior ventricle this is indicative of a discordant atrioventricular connection, as displacement of the mitral valve into the left ventricle is exceedingly rare. In this condition, a normally situated left... Dr Gurleen Sharland 01 January 2001 Cyclopia Cyclopia is the most severe malformation in the spectrum of holoprosencephaly and consists of a single midline orbit that can be anophthalmic, monophthalmic or synophthalmic, with fusion of the eyes. In less severe forms there may be two separate eyes in a sin... Dr Ahrm-Gerd Blaas; Clemence Desjardins RDMS 01 January 2001 Craniosynostosis This is characterised by premature closure of one or several cranial sutures. The skull develops from mesenchyme, with the portion surrounding the brain termed the neurocranium. The neurocranium consists of a cartilaginous portion (chondrocranium) and a mem... Dr Harm-Gerd Blaas; Dr Bernard Benoit; Dr Karl Gloning 01 January 2001 Craniofacial Teratoma Teratomas are neoplasms comprised of elements from all three germ layers and occur rarely in the craniofacial and neck regions. Pathology is usually of a benign nature. They are reported in many different sites including nasal tip,nasopharynx and cervical.... Drs Challis, Farine, Morrow, Ritchie and Ryan 01 January 2001 Corpus Callosum - Lipoma The lipoma of the corpus callosum is a benign congenital lesion, accounting for 0.03% of all intracranial tumours. It can occur within the genu, body or splenium of the corpus callosum. Its aetiology is unknown, but may involve defective rostral neurulation... 01 January 2001
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The ASUM Online Clinical Handbook is presented as an educational aid for experienced practitioners. It is the responsibility of the individual practitioner to determine how the information should be applied to individual cases. |
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