5) Perineal nodular induration
(PNI) also known as biker's nodule, cyclist's nodule, ischiatic hygroma, third testicle, or an accessory testicle is a benign pseudotumour that presents most commonly in avid male cyclists with repetitive perineal microtrauma.
Treatment failure - less than 25% reduction in size of; lesion with persisting induration
or increase in size of lesion.
Tuberculin skin test showed an induration
of more than or equal to 10 mm in 274(34%) cases which was highest in Baluchistan.
There were statistically significant more cases of wound indurations
, discharge, erythema in control group (p=0.
15/14 (52/48) 9/9 (50/50) PPD: mean maximal induration
, cm (range) 17.
The rate of infection was much higher, with 12% of the group (102) showing a tuberculin skin test (TST) induration
of at least 10 mm.
of greater than 14 mm is unlikely to be due to prior BCG vaccination (strength of recommendation [SOR]: A, based on meta-analysis of validation cohort studies).
was measured independently by two study nurses at 48-72 hours, and an average of these two readings was used in data analysis (mean inter-reader variability was [is less than]0.