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Fig. 5 | Arthritis Research & Therapy

Fig. 5

From: Calcification of the acetabular labrum of the hip: prevalence in the general population and relation to hip articular cartilage and fibrocartilage degeneration

Fig. 5

a Exemplary sample of scanning electron microscopy (SEM) imaging of the acetabular labrum of the hip (ALH) fibrocartilage showing well-developed rhomboid and prismatic crystals in various sizes and spatial arrangements, indicating the presence of calcium pyrophosphate dihydrate (CPPD) crystals. b Corresponding sample of measured Raman spectra (green line) with a peak count at 1050 cm− 1 confirming the presence of CPPD crystals in comparison to the reference spectra of t-CPPD (red line)

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