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SPONDYLOEPIPHYSEAL DYSPLASIA CONGENITA: REPORT of a CASE and REVIEW of the LITERATURE Saeed Bin Ayaz1, Samia Rauf2, Fawad Rahman3

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SPONDYLOEPIPHYSEAL DYSPLASIA CONGENITA: REPORT of a CASE and REVIEW of the LITERATURE Saeed Bin Ayaz1, Samia Rauf2, Fawad Rahman3 CASE REPORT SPONDYLOEPIPHYSEAL DYSPLASIA CONGENITA: REPORT OF A CASE AND REVIEW OF THE LITERATURE Saeed Bin Ayaz1, Samia Rauf2, Fawad Rahman3 1 Department of Rehabilitation ABSTRACT Medicine; Combined Military Hospi- tal, Quetta – Pakistan. Spondyloepiphyseal dysplasia congenita (SEDC) is a disorder of type II 2 Department of Radiology, Com- collagen synthesis that primarily affects the spine and proximal epiphyse- bined Military Hospital, Quetta - al centers. The abnormalities are present at birth and may include short Pakistan. stature, flattened facies, kyphoscoliosis, lumbar hyperlordosis, coxa vara 3 Department of Internal Medicine, and genu valgum. The defects may complicate into gait abnormality, early Combined Military Hospital, Sialkot degenerative changes, joint fusion, osteopenia and neurological compro- – Pakistan. mise. Early diagnosis of SEDC may prevent unnecessary diagnostic testing Address for Correspondence: for other causes of short stature and/or osteoarthritis and guide towards Dr. Saeed Bin Ayaz timely protective measures. We report here, a 4-years-old child, who pre- Consultant, sented with SEDC and was treated with analgesics and counselling of par- Pain Medicine & Rehabilitation, ents for prognosis, precautions, potential complications, treatment op- Combined Military Hospital, Quetta tions for the future and inheritance of the disease. – Pakistan. Email: [email protected] Key Words: Spondyloepiphyseal Dysplasia, Scoliosis, Short stature Date Received: May 07, 2018 Date Revised: February 17, 2019 Date Accepted: February 24, 2019 This case report may be cited as: Ayaz SB, Rauf S, Rahman F. Spondyloepiphyseal dysplasia congenita: Report of a case and review of the literature. J Postgrad Med Inst 2019; 33(1): 86-90. rd th INTRODUCTION 3 and 15 centile according to the world health orga- nization height-for-age chart for boys. He had a wad- The spondyloepiphyseal dysplasia (SED) is a type of dling gait. The oral and ocular examination was normal skeletal dysplasia that mainly involves the spine and and there was no joint laxity. proximal epiphyseal centers1. SED may present as the congenita variant or the tarda variant, with consider- The radiographs of the spine and pelvis demonstrat- able genetic heterogeneity2. In the congenita variant, ed flattening of dorsal vertebral bodies (platyspondyly), there is abnormal synthesis of type-II collagen and ab- thoracolumbar scoliosis, spina bifida at LV5 and SV1 normalities are present at birth and may include short levels and dysplastic bilateral proximal femoral epiph- trunk, dwarfism with short limbs (proximal and middle), ysis and metaphysis (Figure 2). The radiographs of the disproportionately larger hands and feet and flat face; wrist and forearm revealed dysplastic bilateral radi- while in the tarda variant, there is normal appearance at al epiphysis, dysplastic bilateral distal radial and ulnar birth and short trunk becomes apparent around five to metaphysis; and inconspicuous ossification centers of six years of age1,2. In distinction to the congenita variant, carpal and metacarpal bones. Acetabulae showed mild the face and extremities are normal in the tarda variant2. dysplasia more on the left side. The ilium, ischium and Early diagnosis of SED may prevent unnecessary diag- pubis were, however, unremarkable (Figure 3). The ul- nostic testing for other causes of short stature and/or trasonography of the abdomen did not show hepato- osteoarthritis. We present here, report of a case of SED megaly, splenomegaly or renal malformation. congenita (SEDC) who presented with signs and symp- All essential laboratory investigations for the child toms of short stature, spinal deformity and leg pains. were carried out. The complete blood count, thyroid CASE REPORT function tests, serum calcium, phosphate and alkaline phosphatase levels were within normal limits. Based A four-years-old child presented with progressive on clinical evaluation and radiological investigations, back deformity and pain in legs. He had normal hearing he was diagnosed to have SEDC. The child was ad- and vision. There was no history of such complaints in vised oral paracetamol (120 mg/5ml) 10 ml twice dai- his family. On examination, he had mild bowing of legs, ly. His parents were counselled about the prognosis, marked lumbar lordosis, thoracic scoliosis, pectus cari- potential complications, treatment options for the fu- natum and flat feet (Figure 1). His height was between ture, and inheritance of the disease. They were warned JPMI VOL. 33 NO. 1 86 SPONDYLOEPIPHYSEAL DYSPLASIA CONGENITA: REPORT OF A CASE AND REVIEW OF THE LITERATURE Figure 1: Pectus carinatum, short neck, increased lumbar lordosis and scoliosis Figure 2: X-rays of the dorsal-lumbar-sacral spine demonstrating dorsal vertebral platyspondy- ly, thoraco-lumbar scoliosis, spina bifida at LV5 & SV1 levels and dysplastic bilateral proximal femoral epiphysis & metaphysis. Acetabulae showing mild dysplasia more on the left side JPMI VOL. 33 NO. 1 87 SPONDYLOEPIPHYSEAL DYSPLASIA CONGENITA: REPORT OF A CASE AND REVIEW OF THE LITERATURE Figure 3: X-rays of both wrists demonstrating dysplastic bilateral distal radial and ulnar metaphysis & radial epiphysis and inconspicuous ossification centers of carpal and metacarpal bones against activities posing undue stress on the spine and ton shows ovoid vertebral bodies, severe platyspondyly, weight-bearing joints. An annual follow-up for assess- hypoplasia of odontoid process (which results in atlan- ment of joint pain and scoliosis was also advised. toaxial instability that can cause cervical myelopathy), progressive kyphoscoliosis (short trunk) involving tho- DISCUSSION racic and lumbar spine, narrowing of disk spaces (result- The term SED is used to embrace a group of con- ing in short trunk), broad iliac bases, deficient ossifica- ditions characterized by platyspondyly and dysplasia of tion of pubis and flat acetabular roof. The chest shows other bones. The degree of spinal and tubular bone in- bell-shaped thorax and pectus carinatum. Extremities volvement and the amount of dwarfism vary between appear slightly shortened, with severe coxa vara, genu the different groups3. SEDC is a rare disorder of bone valgum, multiple accessory epiphyses in hands and feet, growth that results in dwarfism, characteristic skeletal and talipes equinovarus. Retinal detachment and myo- abnormalities and occasionally, problems with vision pia (50%) are common associations. Secondary arthritis 4 and hearing. The name of the condition indicates that it in weight-bearing joints is a disabling complication . affects bones of the spine (spondylo-) and the ends of We searched similar cases of SEDC with physical and bones (epiphyses), and that it is present from birth (con- radiological description available freely on the internet genital). SEDC is autosomal dominant or sporadic (most and identified twenty-four cases (Table 1)5-17. There were common) and is a subtype of collagenopathy, types II 10 (41.7%) males and 14 (58.3%) females with a mean and XI2,3. Features of SEDC include disproportionate age of 19 ±18 years. The family history was positive in 6 dwarfism with spine and hips more involved than ex- (37.5%) and negative in 10 (62.5%) cases while in eight tremities, waddling gait and muscular weakness, flat cases no relevant description was available. All had a facies, short neck, deafness and cleft palate. Axial skele- short stature. Disproportionately small trunk with rel- JPMI VOL. 33 NO. 1 88 SPONDYLOEPIPHYSEAL DYSPLASIA CONGENITA: REPORT OF A CASE AND REVIEW OF THE LITERATURE atively larger hands and feet were identified in fifteen hip, knee and shoulder and surgical correction of scoli- (62.5%) cases. Spinal hyperlordosis and/or scoliosis was osis or kyphosis may be considered. Genetic counseling described in 23 (95.8%) individuals. Four (16.7%) indi- of the family for the inheritance pattern of the disease viduals had conductive deafness, four (16.7%) had my- must be carried out. opia, two (8.3%) had cleft palate and renal impairment each and one (4.2%) had retinal detachment, cataract CONCLUSION and anisohyperopia each. Facial abnormalities (mi- Our case of SEDC presented with short stature, spinal crocephaly, mid facial hypoplasia, flat face and hyper- deformity and leg pains and was found to have platy- telorism) were spotted in five (20.8%) cases. Knee (genu spondyly, kyphoscoliosis, pectus carinatum, pes planus valgum and knock knees) and chest (broad and short and delayed epiphyseal ossification. He was managed thorax and pectus carinatum) abnormalities were found with analgesics and parental counselling about prog- also in five (20.8%) cases each. One individual had pes nosis, potential complications, precautionary measures, planus and one had pes cavus. Finger and phalange- future treatment options and disease inheritance. al abnormalities (clinodactyly, bipartite phalanges and phalangeal hypoplasia) were noticed in four cases. Gait REFERENCES abnormalities were observed in 14 (58.3%) individuals. One individual developed tetraparesis and one died of 1. Panda A, Gamanagatti S, Jana M, Gupta AK. Skeletal dys- renal failure. plasias: a radiographic approach and review of common non-lethal skeletal dysplasias. World J Radiol 2014; 6:808- On radiological evaluation, platyspondyly was de- 25. tected in twenty (83.3%) individuals. Pelvic abnormal- ities included hypoplasia and delayed ossification of 2. Tehranzadeh J. Musculoskeletal imaging cases. 1st Edi- ilium, ischium & pubis and sloping
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