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Shagreen Patch in Tuberous Sclerosis Complex at High-Frequency Ultrasound.

Corrado Tagliati1, Ximena Wortsman2,3,4,5

  • 1AST Ancona, Ospedale di Comunità Maria Montessori di Chiaravalle, Via Fratelli Rosselli 176, 60033 Chiaravalle, Italy.

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This study reports the first ultrasound images of a shagreen patch in a patient with tuberous sclerosis complex. High-frequency ultrasound revealed characteristic dermal changes, aiding in diagnosis.

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dermishigh-frequency ultrasoundhypoechoicshagreen patchskinthickeningtuberous sclerosis complex

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Area of Science:

  • Dermatology
  • Medical Imaging
  • Genetics

Background:

  • Tuberous sclerosis complex (TSC) is a genetic disorder affecting multiple organs.
  • Shagreen patches are common cutaneous manifestations of TSC, typically presenting as thickened, leathery skin.
  • Diagnosis often relies on clinical findings and imaging, but characteristic ultrasound findings of shagreen patches are not well-documented.

Purpose of the Study:

  • To present the first reported high-frequency ultrasound images of a shagreen patch.
  • To describe the ultrasound characteristics associated with a shagreen patch in a patient with TSC.
  • To highlight the utility of ultrasound in evaluating cutaneous lesions in TSC.

Main Methods:

  • Case presentation of a 19-year-old female with TSC.
  • High-frequency ultrasound examination of a shagreen patch on the left dorsal region.
  • Analysis of ultrasound findings, including echogenicity and dermal thickness.

Main Results:

  • The shagreen patch exhibited decreased echogenicity and increased dermal thickness on high-frequency ultrasound.
  • These ultrasound findings provide objective characterization of the lesion.
  • The case demonstrates the feasibility of using ultrasound for shagreen patch evaluation.

Conclusions:

  • High-frequency ultrasound can visualize and characterize shagreen patches in patients with tuberous sclerosis complex.
  • Ultrasound may serve as a valuable non-invasive tool for assessing cutaneous manifestations of TSC.
  • This report provides a reference for future ultrasound-based studies of shagreen patches.