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Oral angiolymphoid hyperplasia with eosinophilia
Oral Surgery, Oral Medicine, and Oral Pathology
|January 1, 1986
Summary
Angiolymphoid hyperplasia with eosinophilia (ALHE) is a rare oral lesion. This study describes a labial ALHE case, highlighting its controversial classification and potential inclusion of diverse vascular conditions.
Area of Science:
- Oral Pathology
- Dermatopathology
- Vascular Lesions
Background:
- Angiolymphoid hyperplasia with eosinophilia (ALHE) is an uncommon vascular proliferation typically affecting the head and neck.
- Oral ALHE is exceptionally rare, presenting diagnostic challenges due to its controversial nature and varied histopathologic features.
Observation:
- A unique case of ALHE involving the labial mucosa is presented, characterized by immunoglobulin deposits and damage to a central artery.
- Review of literature indicates that ALHE may encompass diverse entities, including vascular neoplasms and reactive conditions, complicating its classification.
- Vascular involvement, particularly of small arteries, is noted in 24% of reviewed ALHE cases, often with signs of damage.
Findings:
- The case suggests that immunoglobulin deposition and arterial damage can be features of oral ALHE.
- Current diagnostic criteria for ALHE may not adequately distinguish it from other vascular lesions like epithelioid or histiocytoid hemangiomas.
- Blood eosinophilia is not consistently associated with ALHE, especially in cases with single, nonrecurrent lesions.
Implications:
- Reclassification of ALHE may be necessary to accurately define this heterogeneous group of vascular lesions.
- Distinguishing ALHE from other vascular neoplasms and reactive conditions is crucial for appropriate clinical management.
- Further research is needed to clarify the distinct clinicopathologic entities potentially grouped under the ALHE diagnosis.