Acromelia Correct Answers Distal extremity shortening
(ex: phalanges, metacarpals)
Amelia Correct Answers Absence of an entire extremity
Camptomelic Dysplasia (aka Campomelic Dysplasia) Correct
Answers Rare and lethal autosomal recessive or sporadic
skeletal dysplasia
"Bent bone"
Camptomelic dysplasia is associated with __________ Correct
Answers Clubfoot
Caput Membranaceum Correct Answers Soft cranial bones
Caudal Regression Syndrome (CRS) Correct Answers No
sacrum or coccyx
Cloverleaf Skull Correct Answers Seen because of a condition
called "craniosynostosis" - premature closure of coronal and
lambdoidal sutures
Clubfoot Correct Answers Medial deviation of the sole of the
foot
Heterozygous Achondroplasia Correct Answers Non-lethal
form of achondroplasia
, Holt-Oram Syndrome Correct Answers Autosomal dominant
disease where the thumbs are absent
Holt-Oram syndrome is also associated with __________
Correct Answers Congenital abnormalities of the heart
Phocomelia of the upper limbs
Homozygous Achondroplasia Correct Answers Lethal form of
achondroplasia due to narrow thorax
How would a sonographer assess bone contour? Correct
Answers Check for thickness, bowing or curvature, fractures, or
"ribbonlike" appearance
How would a sonographer assess limb shortening? Correct
Answers Measure all long bones, not just the femur
How would a sonographer estimate the degree of ossification?
Correct Answers Check for decreased attenuation
Decreased shadowing can suggest hypomineralization
Bones will look the same as soft tissue
How would a sonographer evaluate the face and fetal profile?
Correct Answers Check for clefts, frontal bossing,
micrognathia, hypertolerism, etc
How would a sonographer evaluate thoracic circumference and
shape? Correct Answers Check for long, narrow chest or "bell
shaped" chest
Certain appearances may be indicative of specific dysplasias