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Updated: Jul 18, 2026

Iris Fixation via External Pentagram Suturing

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Popliteal pterygium syndrome.

H Z Herold, G Shmueli, A M Baruchin

Clinical Orthopaedics and Related Research

|August 1, 1986

Summary

Popliteal pterygium syndrome is a rare genetic disorder characterized by a popliteal web and limb deformities. Surgical resection of the web is the primary treatment, though nerve involvement presents surgical challenges.

Area of Science:

Genetics and rare diseases
Orthopedic surgery
Developmental abnormalities

Background:

Popliteal pterygium syndrome is an extremely rare congenital disorder.
Only 50 cases have been documented in medical literature prior to this report.
This study presents three new cases, expanding the understanding of this condition.

Observation:

The syndrome presents with a popliteal web, nail dysplasia, and foot/toe deformities.
Oral abnormalities like cleft palate or lip pits are also common features.
Severe knee flexion contracture and equinus foot are the primary orthopedic concerns.

Findings:

Surgical intervention involves the resection of the popliteal web.
A significant surgical challenge is the potential involvement of the sciatic nerve within the web.

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Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia

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Liberating or reconstructing the nerve requires careful surgical technique.

Implications:

Accurate diagnosis and surgical planning are crucial for managing popliteal pterygium syndrome.
Further research into nerve management during surgery could improve patient outcomes.
Understanding the syndrome's full spectrum aids in genetic counseling and long-term care.