Table 1 Patient clinical presentations and HGD variants.

From: A novel deep intronic variant strongly associates with Alkaptonuria

Patient

1

2

3

Age of onset

13 y

Early childhood

1.5 y

Sex

Male

Female

Male

Current age

20 y

12 y

10 y

Variant 1

c.291 G > A

p.(Trp97Ter)

c.473 C > T

p.(Pro158Leu)

*c.1084 G > A

p.(Gly362Arg)

Variant 2

*c.587 C > T

p.(Thr196Ile)

*c.1031delG

p.(Gly344AspfsTer25)

* c.16-2063 A > C

p.Tyr5_Ile6insValTer17

Tyrosine

58.3

91.1

52.7

Ochronosis

-

Sclera

-

Arthralgia

-

Bilateral knees

Right hip

Bilateral knees

  1. Tyrosine: plasma tyrosine level (normal range 35–116 µmol/L)
  2. *novel.