Perifollicular hyperkeratosis and hemorrhage are seen with corkscrew hairs, that juicy buzz word for Vit. C deficiency. Hydroxylation of proline in collagen synthesis cannot occur without vitamin c

There is an abnormally decreased function of the hydroxylation of proline because the 2nd stage in collagen synthesis (hydroxylation of specific proline and lysine residues) requires vitamin C. Since this patient has Scurvy (vit. C deficiency), this process is unable to occur.

eSh sha a vmtaiin C iniccfyed.e cyurvS eurfstea enlolws gusm, ysae rbuiisn,g ihteeec,pa flpilearricolu adn otseirplsueab rhaese.ghrom

FA19, pg 69 - perifollicular and subperiosteal hemorrhages, pg 674 specifically lists mucosal bleeding