
Pediatric Rheumatology, Hospital Universitario La Paz (Madrid)
Clara Udaondo, MD, PhD, graduated in Medicine from the Universidad Autónoma de Madrid and completed specialist training in Pediatrics through the MIR program. Since 2018, she has focused on Pediatric Rheumatology at Hospital Universitario La Paz. She completed her PhD at the Universidad Autónoma de Madrid in 2023.
She has clinical and research experience in pediatric rheumatology, has been a resident tutor since 2022, and has served on the board of the Spanish Society of Pediatric Rheumatology (SERPE) since 2026. Her interests include nailfold capillaroscopy and its application in pediatric rheumatology. She has admired and collaborated with Capillary.io since 2018.
Contributed cases and studies (4)
Juvenile Dermatomyositis with Gottron Lesions and a Scleroderma-Like Pattern
A 13-year-old girl with Gottron lesions, no muscle weakness, normal CPK, and a markedly pathological capillaroscopy at disease onset.
Juvenile Dermatomyositis anti-NXP2 with Capillaroscopic Improvement
A 12-year-old girl with muscle weakness, markedly elevated CPK, and no skin disease, followed with two capillaroscopies during treatment response.
Juvenile Dermatomyositis anti-TIF1 with Active Scleroderma-Like Pattern
A 12-year-old girl with Gottron lesions, facial erythema, muscle weakness, dysphagia, and anti-TIF1 antibodies.
Mixed Connective Tissue Disease Presenting with Raynaud Phenomenon
A 10-year-old girl with Raynaud phenomenon, puffy fingers, anti-RNP positivity, and later carpal arthritis.
Images in the atlas (6)
Juvenile dermatomyositis: nailfold overviewNailfold overview from the juvenile dermatomyositis case with Gottron papules. The complete report describes the vascular abnormalities; this image is an orientation view.
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Juvenile anti-NXP2 dermatomyositis: initial overviewInitial nailfold overview in the juvenile anti-NXP2 longitudinal case. Compare the follow-up and the documented quantitative findings in the complete case.
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Juvenile anti-NXP2 dermatomyositis: follow-up overviewFollow-up nailfold overview from the same juvenile anti-NXP2 case. Differences in overview appearance should be interpreted alongside acquisition conditions and the serial reports.
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Juvenile anti-TIF1 dermatomyositis: nailfold overviewOverview from the active juvenile anti-TIF1 dermatomyositis case. Open the source study to examine the arborizing capillaries described in its report.
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Mixed connective tissue disease: initial overviewInitial nailfold overview from the longitudinal mixed connective tissue disease case. Use the serial studies to assess change in morphology and density.
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Mixed connective tissue disease: follow-up overviewFollow-up overview from the same mixed connective tissue disease case. The linked report places this image in the clinical and longitudinal context.
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