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 Indian J Med Microbiol  
 

Figure 2: Needle position (black arrow) for injection of the local anaesthetic steroid mixture into the ganglion impar. Before injection of the mixture, a small amount of contrast is injected which forms a ‘comma’ like appearance (white arrow) in front of the sacro-coccygeal joint indicating the location of the ganglion impar

Figure 2: Needle position (black arrow) for injection of the local anaesthetic steroid mixture into the ganglion impar. Before injection of the mixture, a small amount of contrast is injected which forms a ‘comma’ like appearance (white arrow) in front of the sacro-coccygeal joint indicating the location of the ganglion impar