Postencephalitic bilateral heterotopic ossification of the hip in a pediatric patient

Mohanty, Shubhranshu S.; Rao, Nirmala N; Dash, Kumar Kaushik; Nashikkar, Piyush Suresh

doi:10.1097/bpb.0000000000000130

Cited by 5 publications

(2 citation statements)

References 18 publications

(24 reference statements)

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“…Neurogenic HO is typically seen in patients following injuries to the spinal cord and head trauma 1–4. Less common causes include peripheral neuropathy, GBS and encephalitis 5 9 10. Neurogenic HO is also seen in critically ill patients requiring long ICU stays 5 11.…”

Section: Discussionmentioning

confidence: 99%

Neurogenic heterotopic ossificans of hips in a case of expanded dengue syndrome following critical illness polyneuropathy

et al. 2022

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We present a case of 71-year-old man with bilateral hip neurogenic heterotopic ossificans following critical illness polyneuropathy as a complication of expanded dengue syndrome. His left hip was stiff and showed a circumferential ossific mass. After initial medical management, the patient underwent excision of ossific mass using posterior approach. For adequate excision, femoral head and neck were resected and a hybrid total hip arthroplasty was performed. The patient was followed up for 2 years and showed good clinical outcome without recurrence of heterotopic ossification. This case highlights the rare aetiology of neurogenic heterotopic ossification which is critical illness polyneuropathy following expanded dengue syndrome. It highlights that adequate resection and a total hip arthroplasty can be a viable option in selected cases of circumferential heterotopic ossification in old individuals.

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Section: Discussionmentioning

confidence: 99%

Neurogenic heterotopic ossificans of hips in a case of expanded dengue syndrome following critical illness polyneuropathy

et al. 2022

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“…In the pediatric population, heterotopic ossification (HO) commonly presents in the genetic form, including familial disorders such as progressive osseous heteroplasia, Albright’s hereditary osteodystrophy, and fibrodysplasia ossificans progressiva [20,21]. HO is an abnormal formation of mature lamellar bone in soft tissues [23], and an example of dystrophic calcification that is distinguishable from other forms by the trabecular pattern of bone [21]. It results from 3 basic etiologies: traumatic, neurogenic, and genetic [22].…”

Section: Discussionmentioning

confidence: 99%

Distribution and Morphological Measurement of Bony Spurs on the Coracoid Process in a Chinese Population

Zhang

et al. 2019

Med Sci Monit

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Background There are few studies on distributions or morphological measurements for bony spurs form at the attachment points of the ligaments and tendons on the coracoid process. The aim of this study was to investigate their most common sites and morphological characteristics, and to propose possible reasons. Material/Methods Scapulae with bony spurs on the coracoid process were selected from 377 intact and dry Chinese scapulae. The distribution, height, and transverse and longitudinal diameter of the bony spurs were measured in each coracoid process. Results We selected 71 scapulae, 36 left and 35 right, that had bony spurs, from 377 scapulae. The bony spurs were most commonly located at the attachment point of the superior transverse scapular ligament (STSL) (31, 23.66%), while the trapezoid ligament (TL) accounted for the smaller proportion (8, 6.11%). The TSL was the highest, with the minimum transverse and longitudinal diameter, while the TL had the greatest transverse and longitudinal diameters. Only the TSL and TL had a statistically significant difference between the left and the right bony spur regarding the longitudinal diameter (P<0.05). Conclusions Bony spurs are more likely to form at the attachment points of ligaments and tendons on the coracoid process, which has a greater risk of traction injuries or attachment points avulsion fractures.

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Myositis ossificans in children: a review

Sferopoulos¹,

Kotakidou²,

Πετρόπουλος

2017

Eur J Orthop Surg Traumatol

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The formation of lamellar bone in the soft tissues, where bone normally does not exist, is called myositis ossificans. However, it would be more accurate to describe as myositis ossificans the involvement of skeletal muscles and as ectopic or heterotopic ossification the involvement of soft tissues in general. The lesion is subdivided in genetic and non-genetic or acquired types. Myositis or fibrodysplasia ossificans progressiva is a debilitating rare genetic disorder. Clinical suspicion of the disease in the newborn on the basis of malformed great toes may lead to early clinical diagnosis, confirmatory diagnostic genetic testing and avoidance of iatrogenic harmful procedures. Acquired lesions involve the neurogenic myositis ossificans and the non-neurogenic disorder. The latter is defined either as circumscribed myositis ossificans that is post-traumatic or as idiopathic/pseudomalignant myositis ossificans that is non-traumatic and may be a form fruste of fibrodysplasia ossificans progressiva. Ossification in fibrodysplasia ossificans progressiva is irreversible, unlike other forms of heterotopic ossification. In this retrospective study, a total of 22 children with myositis ossificans treated in a 20-year period were identified and classified. Two patients were diagnosed with myositis/fibrodysplasia ossificans progressiva, one with neurogenic myositis ossificans, one with idiopathic/pseudomalignant myositis ossificans and 18 patients with circumscribed myositis ossificans. The clinical features, imaging and histological findings as well as treatment modalities and complications of myositis ossificans in our patients are presented and discussed.

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Postencephalitic bilateral heterotopic ossification of the hip in a pediatric patient

Cited by 5 publications

References 18 publications

Neurogenic heterotopic ossificans of hips in a case of expanded dengue syndrome following critical illness polyneuropathy

Neurogenic heterotopic ossificans of hips in a case of expanded dengue syndrome following critical illness polyneuropathy

Distribution and Morphological Measurement of Bony Spurs on the Coracoid Process in a Chinese Population

Myositis ossificans in children: a review

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