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All Journal Journal Orthopaedi and Traumatology Surabaya (JOINTS) Jurnal Kedokteran Meditek
Siahaan, Henoch Gugun Parulian
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Biochemistry, Genetics & Molecular Biology Health Professions Immunology & microbiology Medicine & Pharmacology Neuroscience Public Health

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Relationship Between Clarke’s Angle and Radiological Severity of Knee Osteoarthritis: A Cross-Sectional Study Siahaan, Henoch Gugun Parulian; Siahaan, Yusak Mangara Tua; Pradhana, Tasya Meidy
Jurnal Kedokteran Meditek Vol 31 No 3 (2025): MEI
Publisher : Fakultas Kedokteran Universitas Kristen Krida Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36452/jkdoktmeditek.v31i3.3694

Abstract

Introduction: Knee osteoarthritis (OA) is a degenerative joint disease causing disability, especially in older adults. Flatfoot, marked by reduced medial arch height, alters lower limb biomechanics and may influence knee OA severity. Objective: To evaluate the association between foot arch, measured by Clarke’s angle, and knee OA severity based on the Kellgren-Lawrence (K-L) grading to provide clinical insight for guiding management decisions. Methods: A cross-sectional study of 57 knee OA patients at Siloam Karawaci Hospital was conducted. Clarke’s angle was measured using ink footprints, and K-L grading assessed radiological severity. Statistical tests included Kolmogorov-Smirnov, one-way ANOVA, and Kruskal-Wallis, with p < 0.05 considered significant. Results: Most participants were female (77.2%) with a mean age of 65.85 ± 9.69 years. OA severity was mostly mild to moderate (K-L 2 and 3). Flatfoot prevalence was 47.4%, and lower Clarke’s angles were significantly associated with higher K-L grades (p = 0.029). No significant differences in age or BMI were found across severity groups, though BMI trended higher with severity. Conclusion: Lower Clarke’s angle correlates with increased knee OA severity. Flatfoot may contribute to or result from OA progression. Further research is needed to clarify causation and inform management strategies.
Posterior Ganglion Cyst of the Knee Treated by Ultrasound-Guided Aspiration with Adjunctive Saline Injection: A Case Report Butarbutar, John Christian Parsaoran; Hananto, Joshua Edward; Siahaan, Henoch Gugun Parulian; Yong, Yee Wen
(JOINTS) Journal Orthopaedi and Traumatology Surabaya Vol. 15 No. 1 (2026): April 2026
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/joints.v15i1.2026.82-86

Abstract

Background: Ganglion cysts around the knee, particularly those originating from the gastrocnemius muscle, are uncommon and may cause significant posterior knee discomfort. Although surgical excision remains the gold standard, it carries risks such as postoperative complications, recurrence, and prolonged recovery.Case Report: A 41-year-old male presented with a 10-year history of posterior knee pain, aggravated during squatting and the Jalsa position during Islamic prayer. Physical examination revealed tenderness in the popliteal fossa without ligamentous instability. Ultrasound (US)-guided aspiration was performed, yielding approximately 4 mL of yellow, viscous fluid, followed by the injection of 10 mL of normal saline to facilitate cyst wall rupture and collapse, without corticosteroid use. This minimally invasive modification may reduce recurrence while avoiding potential steroid-related adverse effects. Immediate improvement in knee mobility was observed. At the 4-month follow-up, complete symptom resolution was reported, and all daily activities, including Islamic prayer, were performed without restriction. Follow-up US imaging confirmed a reduction in cyst size.Discussion: Ganglion cysts can be effectively managed with minimally invasive approaches such as ultrasound-guided aspiration, which offers precise localization and reduced complication risk compared to surgery. In this case, adjunctive saline injection facilitated cyst collapse and resulted in excellent functional recovery, although recurrence remains a possibility.Conclusion: US-guided aspiration with adjunctive saline injection is a promising alternative to surgical excision; however, further studies are needed to confirm its long-term efficacy.
Co-Authors Butarbutar, John Christian Parsaoran Hananto, Joshua Edward M.T. Siahaan, Yusak Pradhana, Tasya Meidy Yong, Yee Wen