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Leg ulcers in a patient with spherocytosis: a clinicopathological report
W Vanscheidt1, O Leder, E Vanscheidt
1Universitäts-Hautklinik, Freiburg, BRD.
Insights
Chronic venous insufficiency, not spherocytosis, likely causes leg ulcers (ulcus cruris). Spherocytosis may worsen these circulatory disorders. Proper diagnosis requires excluding vascular issues before classifying ulcers as hematological.
Area of Science:
- Vascular Medicine
- Hematology
- Dermatology
Background:
- Investigating the etiology of leg ulcers (ulcus cruris) in patients with co-existing spherocytosis.
- Understanding the interplay between hematological conditions and vascular pathologies in skin ulcer development.
Observation:
- Doppler sonography and phlebography indicated chronic venous insufficiency.
- Biopsies revealed fibrinous precipitates in vessel walls, red blood cell haemolysis, and fragmentation.
- The patient presented with spherocytosis and ulcus cruris.
Findings:
- Chronic venous insufficiency was identified as the primary cause of hemodynamic alterations leading to ulcer formation.
- Spherocytosis potentially exacerbated the condition through rheological disturbances.
- Evidence of microvascular damage included fibrinous precipitates and red cell abnormalities.
Implications:
- Highlights the importance of excluding circulatory disorders in the differential diagnosis of skin ulcers.
- Suggests that vascular assessment is crucial before attributing leg ulcers solely to hematological disorders.
- Emphasizes the need for a comprehensive approach to managing complex cases involving both hematological and vascular conditions.
Abstract:
In a case of spherocytosis combined with ulcus cruris, Doppler sonography and phlebography revealed a chronic venous insufficiency, together with fibrinous precipitates in capillary and venous vessel walls. Some haemolysis and fragmentation of red cells in the biopsy was also observed. It is suggested that the haemodynamic alteration due to chronic venous insufficiency may have played the main role in the development of the ulcers, although the rheological disturbance caused by the spherocytosis may have had an aggravating effect. Circulatory disorders should be excluded, if skin ulcers are to be classified as haematological disorders.