eMedicine Specialties > Neurology > Pediatric Neurology
Anencephaly: Differential Diagnoses & Workup
Updated: Nov 30, 2007
- Overview
- Differential Diagnoses & Workup
- Treatment & Medication
- Follow-up
Differential Diagnoses
Other Problems to Be Considered
Acrania
Amniotic band sequence
Encephalocele
Iniencephaly
Workup
Laboratory Studies
- Laboratory studies are not performed in most cases of isolated anencephaly.
- Cytogenetic testing can exclude trisomy 13 and unbalanced structural chromosome abnormalities.
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| Overview: Anencephaly |
Differential Diagnoses & Workup: Anencephaly |
| Treatment & Medication: Anencephaly |
| Follow-up: Anencephaly |
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References
Kibar Z, Torban E, McDearmid JR, Reynolds A, Berghout J, Mathieu M. Mutations in VANGL1 associated with neural-tube defects. N Engl J Med. Apr 5 2007;356(14):1432-7. [Medline].
Missmer SA, Suarez L, Felkner M, Wang E, Merrill AH Jr, Rothman KJ. Exposure to fumonisins and the occurrence of neural tube defects along the Texas-Mexico border. Environ Health Perspect. Feb 2006;114(2):237-41. [Medline].
Berry RJ, Li Z, Erickson JD, et al. Prevention of neural-tube defects with folic acid in China. China-U.S. Collaborative Project for Neural Tube Defect Prevention. N Engl J Med. Nov 11 1999;341(20):1485-90. [Medline].
Botto LD, Moore CA, Khoury MJ, Erickson JD. Neural-tube defects. N Engl J Med. Nov 11 1999;341(20):1509-19. [Medline].
Brent RL, Oakley GP, Md J. The unnecessary epidemic of folic acid-preventable spina bifida and anencephaly. Pediatrics. Oct 2000;106(4):825-7. [Medline].
Campbell LR, Dayton DH, Sohal GS. Neural tube defects: a review of human and animal studies on the etiology of neural tube defects. Teratology. Oct 1986;34(2):171-87. [Medline].
Philipp T, Philipp K, Reiner A, et al. Embryoscopic and cytogenetic analysis of 233 missed abortions: factors involved in the pathogenesis of developmental defects of early failed pregnancies. Hum Reprod. Aug 2003;18(8):1724-32. [Medline].
Stevenson RE, Allen WP, Pai GS, et al. Decline in prevalence of neural tube defects in a high-risk region of the United States. Pediatrics. Oct 2000;106(4):677-83. [Medline].
Further Reading
Keywords
neural tube defect, NTD, neural tube defect spectrum, absent cerebellum, absent cerebrum, brain malformation, elevated maternal serum alpha-fetoprotein level, genetic defect, folic acid, failure of neural tube closure, developmental defect, folate metabolism, folic acid supplementation, fortification of wheat flour, stillbirth, neonatal death, early pregnancy loss, spontaneous abortion, fetal loss, termination of pregnancy
Differential Diagnoses & Workup: Anencephaly