Collagenoma in a Child With Tuberous Sclerosis Complex Causing Carpal Tunnel Syndrome and Thumb Overgrowth: Case Report

Al-Qattan, M. M.

doi:10.1016/j.jhsa.2013.07.004

Cited by 4 publications

(2 citation statements)

References 9 publications

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“…Increased collagen bundling may be accompanied by increases in vascular elements, though this feature is also variable [7], [16]. The MRI findings that we report are consistent with the MRI findings for collagenoma of the upper limb [17], supporting a diagnosis of surfers' knots.…”

Section: Discussionsupporting

confidence: 82%

The magnetic resonance appearance of surfers' knots: a case report

McManus

Thomson

Whan

2016

Radiology Case Reports

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Athletes are at increased risk of developing soft-tissue lesions of the lower limbs. Although the majority of these will be benign, the differential diagnosis is broad and increasingly, doctors are turning to magnetic resonance imaging (MRI) as a first-line investigation when presented with these sorts of lesions, both to narrow the differential diagnosis and exclude malignancy. We report the case of a 28-year-old Caucasian man who presented with 2 soft-tissue lesions of the right foot. History and examination of the nodules fitted with a diagnosis of surfers' knots, an unusual form of acquired, benign, connective tissue nodule that may appear over the tibial tuberosities, dorsum of the feet, and occasionally on the chest of surfers in association with repetitive microtrauma during surfing. MRI findings were consistent with this diagnosis with both lesions exhibiting T1 hypointensity and speckled T2 hypointensity with no significant blooming artifact on gradient echo imaging. When imaged with gadolinium, they demonstrated only mild contrast enhancement. MRI is a valuable tool when investigating athletes with soft-tissue lesions over the lower limbs where the possibility of malignancy must be addressed. In selected cases, MRI may be sufficient to permit a conservative approach to the management of these patients.

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Section: Discussionsupporting

confidence: 82%

The magnetic resonance appearance of surfers' knots: a case report

McManus

Thomson

Whan

2016

Radiology Case Reports

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“…The lesions can be acquired or congenital, sporadic or inherited . They may be features of several syndromes, such as Buschke–Ollendorff syndrome , Proteus syndrome , tuberous sclerosis , or multiple endocrine neoplasia type 1 . Clinical presentation is variable.…”

Section: Discussionmentioning

confidence: 99%

Agminated Fibroblastic Conective Tissue Nevus: A New Clinical Presentation

Downey

Requena

Bagué

et al. 2016

Pediatric Dermatology

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Connective tissue nevi are benign hamartomatous lesions in which one or several of the components of the dermis (collagen, elastin, glicosaminoglycans) show predominance or depletion. Recently, de Feraudy et al broadened the spectrum of connective tissue nevus, describing fibroblastic connective tissue nevus (FCTN), which is characterized by proliferation of CD34+ cells of fibroblastic and myofibroblastic lineage. Only solitary papules and nodules have been described. We present the first case of FCTN with multiple agminated lesions on the leg of an infant and the difficulties encountered in the differential diagnosis with dermatofibrosarcoma protuberans.

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Collagenoma in a Patient With Down Syndrome: A Case Report and Review of the Literature

Choi

Park²

2018

The American Journal of Dermatopathology

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A 26-year-old woman with Down syndrome presented with a 4-cm-sized palpable mass in the sacrococcygeal region. Histologic evaluation of the specimen revealed densely packed collagen fibers in the dermis, which is consistent with a collagenoma. Masson trichrome staining showed dense fibrosis, and elastic Van Gieson staining revealed a significant decrease in elastic tissue. The clinicopathologic characteristics of this patient and 4 previously reported cases are discussed in detail.

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Collagenoma in a Child With Tuberous Sclerosis Complex Causing Carpal Tunnel Syndrome and Thumb Overgrowth: Case Report

Cited by 4 publications

References 9 publications

The magnetic resonance appearance of surfers' knots: a case report

The magnetic resonance appearance of surfers' knots: a case report

Agminated Fibroblastic Conective Tissue Nevus: A New Clinical Presentation

Collagenoma in a Patient With Down Syndrome: A Case Report and Review of the Literature

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