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April 1978

Dyssegmental Dwarfism: A Lethal Anisospondylic Camptomicromelic Dwarfism

Author Affiliations

From the Department of Pathology, Skokie Valley Community Hospital, Skokie, Ill (Dr Gruhn); Division of Oral Pathology, School of Dentistry, University of Minnesota, Minneapolis (Dr Gorlin); and the Department of Radiology, University of Minnesota Hospitals, Minneapolis (Dr Langer).

Am J Dis Child. 1978;132(4):382-386. doi:10.1001/archpedi.1978.02120290054010

• Dyssegmental dwarfism is a lethal anisospondylic camptomicromelic form of growth retardation that appears to have autosomal recessive inheritance. It is characterized by short neck, cleft palate, narrow chest, severe shortening of long bones and trunk, reduced joint mobility, inguinal hernia, and probably hirsutism and hydroureter/hydronephrosis. Some cases are seen with occipital exencephalocele. The long bones are short and bent with metaphyseal flaring. The vertebral bodies are of different size and many consist of separate ossified masses. The iliac bones are small with hypoplasia of the horizontal and inferior margins. Maturation of cartilage cells at the epiphyseal plates is grossly disturbed and there are puddle-like spaces among the resting cartilage cells.

(Am J Dis Child 132:382-386, 1978)