Fetopathology and developmental pathology of the embryo and fetus: Radial ray defects

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+ Atlas of fetal pathology

+ Congenital malformations

+ Physiological developement of an embryo and fetus, growth and changes of the external shape

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+ Sirenomelia (Mermaid syndrome)

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+ Congenital malformations of female genitalia

+ Congenital malformations of the internal genitalia

+ Congenital malformations associated with congenital malformations of urinary system

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+ Defects of heart septum

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+ Pentalogy of Cantrell

+ Developemental anomalies of the skeleton

+ Defects of growth of tubular bone and/or spine

+ Thanatophoric dysplasia

+ Diastrophic dysplasia

+ Abnormalities of density of cortical diaphyseal structure or metaphyseal modeling

+ Osteogenesis imperfecta

+ Limb malformations

+ Terminal transverse limb defects

+ Radial ray defects

+ Finger anomalies

+ Club foot

+ Constriction (amniotic) band syndrome

+ Placental inflammation

+ Ascending infections

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+ Abnormal length

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+ Thrombosis of umbilical blood vessels

+ Umbilical cord inflammation

+ Acute funisitis

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+ Miscellaneous rare cord lesions

Radial ray defects

Introduction

Anomalies of radius and thenar

Radial agenesis (complete, partial)
Radial hypoplasia
Triphalangeal thumb
Thumb agenesis
Thumb and thener hypoplasia
Anomalies of the thumb
Preaxial polydactyly

Clinical signs

Radial ray anomalies (radial agenesis and hypoplasia in particular) are frequently syndromic: trisomy 18, Holt-Oram, TAR syndrome, Fanconi anemia, VACTERL.

Macroscopic appearance

The forearm is shortened and the wrist is radially deviated in radial aplasia/hypoplasia. The thumb is either absent or present as a rudimentary bud or nonfuncioning structure..The term radial club hand is also used.

Triphalangeal thumb — long thumb with three phalanges, either opposable or non-opposable because in one plane with the other fingers.

Pictures

Anomalie radia, Edwardsův syndrom: Radius anomaly, Edwards' syndrome, Macro, autopsy (73636)

Talipomanus: Talipomanus, Macro, autopsy (73724) Talipomanus, Macro, autopsy (73725) Talipomanus, Macro, autopsy (73726)

Talipomanus: Talipomanus, Macro, autopsy (73727) Talipomanus, Macro, autopsy (73728)

Talipomanus: Talipomanus, Macro, autopsy (73729)