Capillary changes in angiokeratoma corporis diffusum Fabry

Area of Science:

• Dermatology and Genetics
• Vascular Biology

Background:

• Angiokeratoma corporis diffusum Fabry (Morbus Fabry) is a rare genetic disorder.
• It is characterized by the accumulation of globotriaosylceramide in various tissues.
• Acroparaesthesiae are a principal sign of Morbus Fabry.

Observation:

• Capillary changes were examined in the Sulcus matricis unguis (nail matrix sulcus).
• A unique fasciculated capillary ramification, forming 2-5 loops, was observed.
• This specific capillary pattern has not been previously described in healthy individuals.

Findings:

• The observed capillary morphology is distinct from that seen in healthy individuals.
• This vascular pattern has previously been reported only in patients diagnosed with vasculitis.
• The findings suggest a potential link between these capillary changes and the pathogenesis of Morbus Fabry.

Implications:

• These findings may represent early-stage vascular alterations in Morbus Fabry.
• Further research could clarify if these changes precede the development of angiokeratomas.
• Understanding these early changes may contribute to elucidating the development of acroparaesthesiae in Morbus Fabry.