Madelung and Multiple Exostoses - lists.ncl.ac.uk · MADELUNG This is excessive radial and palmar...
Transcript of Madelung and Multiple Exostoses - lists.ncl.ac.uk · MADELUNG This is excessive radial and palmar...
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MADELUNG
AND MULTIPLE EXOSTOSESJeff Auyeung
Consultant Hand Surgeon
University Hospital of North Durham
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CONTENT
�Madelung
� Forearm/wrist deformity due to Multiple
Hereditary Exostoses
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MADELUNG
� This is excessive radial and palmar angulation of
the distal radius
� Caused by growth disturbance of palmar and
ulnar part of distal radius physis
� Often a bony lesion in palmar and ulnar part of
physis or abnormal ligament connecting distal
radius to lunate (Vicker’s Ligament)
� Girls>Boys
� Present 6 -13 years of age
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MADELUNG – CLINICAL FINDINGS
� Prominent distal ulna
� Shorter forearm than normal
� Often little functional problem
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MADELUNG – X RAYS
� Excess palmar and radial
angulation
� Ulna Plus
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MADELUNG - TREATMENT
� None if asymptomatic
� Options:
� Physiolysis +/- release of Vicker’s ligament
� Dome osteotomy
� Radial Closing wedge and ulnar shortening
� Radial Osteotomy and distal ulna resection
� Radial Osteotomy and Sauve Kapandji
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HEREDITARY MULTIPLE
EXOSTOSES
� Also known as Diaphyseal Aclasia
� AD – high but variable penetrance
� Do not confuse with Multiple Enchondroma –
Ollier’s disease
� EXT gene at fault
� Involves long bones, pelvis, scapula, ribs and
vertebrae
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HEREDITARY MULTIPLE
EXOSTOSES
CLINICAL FEATURES
� Bump search
� Note size of lumps
� Check for forearm rotation
�Most lumps asymptomatic
� Some cause local symptoms or deformity
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EXOSTOSES
CLASSIFICATION – FOREARM
DEFORMITY
�Masada Classification
� Type I – Distal Ulna Exostoses, Radial head in
joint
� Type II – Distal Ulna Exostoses, Radial head
dislocated
� Type III- Distal Radius Exostoses with short
radius
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HEREDITARY MULTIPLE
EXOSTOSES
SURGERY
� Indication – Pain, Nerve compression, decrease
ROM, Deformity, Possible Malignant
Transformation
� Options:
� Excision – beware may regrow
� Hemiepiphyseodesis with staples
� Lengthening of ulna – acute vs distraction
techniques
� One bone forearm if all fails
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QUESTIONS?
?
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MCQ
1 The most common type of Thumb duplication according to the Wassell Classification is
� A Type I
� B Type II
� C Type III
� D Type IV
� E Type V
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MCQ - Answers
1 The most common type of Thumb duplication according to the Wassell Classification is
� A Type I
� B Type II
� C Type III
� D Type IV
� E Type V
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MCQ
2 A Child presents to you with syndactyly of the left Middle and Ring finger. According to Swanson’s classification is this
� A Failure of formation
� B Duplication
� C Undergrowth
� D Overgrowth
� E Failure of differentiation
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MCQ - Answers
2 A Child presents to you with syndactyly of the left Middle and Ring finger. According to Swanson’s classification is this
� A Failure of formation
� B Duplication
� C Undergrowth
� D Overgrowth
� E Failure of differentiation
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MCQ
3 In the formation of the upper limb, differentiation of the limb bud into arm, forearm and hand is under control of
� A HOX genes
� B ZPA
� C Wnt pathway
� D LMX genes
� E Shh genes
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MCQ - Answers
3 In the formation of the upper limb, differentiation of the limb bud into arm, forearm and hand is under control of
� A HOX genes
� B ZPA
� C Wnt pathway
� D LMX genes
� E Shh genes
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MCQ
4 You are called to the labour ward to review a child with congenital hand deformity. You are told that the parents are of African descent. The most likely abnormality you expect to see is
� A Thumb duplication
� B Radial Club hand
� C Post-axial duplication
� D Ulnar Club Hand
� E Hypoplastic Thumb
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MCQ - Answers
4 You are called to the labour ward to review a child with congenital hand deformity. You are told that the parents are of African descent. The most likely abnormality you expect to see is
� A Thumb duplication
� B Radial Club hand
� C Post-axial duplication
� D Ulnar Club Hand
� E Hypoplastic Thumb
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MCQ
5 You are planning to release multiple syndactyly in a child. The 2nd, 3rd and 4th webspaces are syndactylysed. The most appropriate surgery is:
� A Release of all syndactyly in one sitting
� B Release of 2nd and 3rd in one sitting and 4th at a later date
� C Release of 2nd & 4th in one sitting ad 3rd at a later date
� D Release of 3rd & 4th in one sitting and 2nd at a later date
� E Release of one syndactyly at a time
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MCQ - Answers
5 You are planning to release multiple syndactyly in a child. The 2nd, 3rd and 4th webspaces are syndactylysed. The most appropriate surgery is:
� A Release of all syndactyly in one sitting
� B Release of 2nd and 3rd in one sitting and 4th at a later date
� C Release of 2nd & 4th in one sitting ad 3rd at a later date
� D Release of 3rd & 4th in one sitting and 2nd at a later date
� E Release of one syndactyly at a time
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MCQ
6 Camptodactyly is most commonly caused by
� A Volar skin deficiency.
� B Volar plate contractures.
� C Abnormalities of the palmar fascia and Landsmeer ligament.
� D Articular deformity of the proximal interphalangeal joint.
� E Anomalous lumbrical and superficialis insertions.
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MCQ – Answers
6 Camptodactyly is most commonly caused by
� A Volar skin deficiency.
� B Volar plate contractures.
� C Abnormalities of the palmar fascia and Landsmeer ligament.
� D Articular deformity of the proximal interphalangeal joint.
� E Anomalous lumbrical and superficialis insertions.
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MCQ
7 Madelung deformity is
� A Excessive radial and dorsal angulation of distal radius
� B Excessive length of ulnar
� C Excessive length of radius
� D Excessive radial and palmar angulation of distal radius
� E Excessive length of distal radius
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MCQ – Answers
7 Madelung deformity is
� A Excessive radial and dorsal angulation of distal radius
� B Excessive length of ulnar
� C Excessive length of radius
� D Excessive radial and palmar angulation of distal radius
� E Excessive length of distal radius
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MCQ
8 Differentiation of the limb bud into ulnar and radial side is controlled by
� A Apical Ectodermal Ridge
� B Zone of Polarising Activity
� C Wingless type signalling centre
� D Fibroblast Growth Factor
� E BMP 2
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MCQ – Answer
8 Differentiation of the limb bud into ulnar and radial side is controlled by
� A Apical Ectodermal Ridge
� B Zone of Polarising Activity
� C Wingless type signalling centre
� D Fibroblast Growth Factor
� E BMP 2
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MCQ
9 You have a child with a mild hypoplastic thumb. You are planning to perform a Huber transfer. This involves
� A Transfer of EIP to restore opposition
� B Transfer of FDS Ring to restore Thumb Adduction
� C Transfer of EIP to restore Thumb Adduction
� D Transfer of ADM to restore Opposition
� E Transfer of ADM to Thumb Flexion
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MCQ – Answer
9 You have a child with a mild hypoplastic thumb. You are planning to perform a Huber transfer. This involves
� A Transfer of EIP to restore opposition
� B Transfer of FDS Ring to restore Thumb Adduction
� C Transfer of EIP to restore Thumb Adduction
� D Transfer of ADM to restore Opposition
� E Transfer of ADM to Thumb Flexion
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MCQ
10 The most common congenital hand anomaly is
A Symbrachydactyly
B Camptodactyly
C Syndactyly
D Polydactyly
E Constriction Ring Syndrome
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MCQ – ANSWERS
10 The most common congenital hand anomaly is
A Symbrachydactyly
B Camptodactyly
C Syndactyly
D Polydactyly
E Constriction Ring Syndrome