Gout, with a section on ocular disease in the goutyLlewellyn, Llewellyn J. (Llewellyn Jones)
Science
Gout, with a section on ocular disease in the gouty
Llewellyn, Llewellyn J. (Llewellyn Jones)
Eye -- Diseases; Gout
But in the less fortunate cases the continued ravages of gout lead to
a pitiful disablement of the affected limbs, reaching its acme in the
_hands_ and _individual fingers_, flail-like and semi-paralytic as they
so frequently become.
Not only are the digits variously distorted, their joints more or less
ankylosed, but the overlying skin, distended by the ever increasing
subjacent uratic deposits, becomes thinned and purplish red in hue,
and occasionally ulcerates. Similarly at ankle, knee, wrist and elbow
thickening and deformity ensue as the concretions accumulate in and
around the affected joints, these further accentuated by the correlated
inflammatory and degenerative processes. Coincident deposits in the
tendon sheaths and related bursæ contribute their quota, and at knee and
elbow the bursal masses may reach extraordinary dimensions. Not only do
the joints become deformed, but distorted also, through reflex muscular
spasm and instinctive adoption of unnatural attitudes for the avoidance
of pain.
So much for the broad outline of the picture presented, but a still
closer scrutiny is called for. The deformities produced are the outcome
of uratic deposits, which, as Charcot long since pointed out, take on the
shape of “irregularly rounded or ovoid swellings, bunched, and either
large at the base or just the opposite, _i.e._, provided with a pedicle.”
As shown in the coloured plate, the favourite site for their
development is the _dorsum_ of the _hand_ or the vicinity of the
_metacarpo-phalangeal_ or _mid-phalangeal_ joint. The resultant
disfigurement of the hand is very characteristic. Irregular tuberous
swellings surmount the knuckles, and spreading laterally, obliterate the
fossæ between them and their fellows. The same extend forward over the
first phalanges, from nigh the distal end of which again arise similar
bossy excrescences over the mid-phalangeal joints. Encroaching thus
upon the length of the first phalanx from either end, but little of its
shaft is ultimately left exposed. In like fashion the mid-phalanx may be
buried in uratic deposits, its contour wholly lost; and, the terminal
phalanx participating, the digits become almost pedunculated, the nails
projecting from the ends thereof—the “parsnip hand” of Sydenham. Such is
the appearance presented in inveterate chronic gout.
Public-domain text, read in full here on John Shaqi.
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