פסוריאזיס (ספחת): תסמינים ודרכי אבחון

פסוריאזיס (ספחת): תסמינים ודרכי אבחון


It is important for you to know that the purpose
of this film is solely to provide information. It does not express an opinion, diagnosis,
recommendation of medical treatment
or consultation process
in the name of your family doctor Psoriasis
Symptoms and diagnosis Psoriasis is a chronic autoimmune disease of the skin. There are several types with different symptoms, different levels of severities
and specific characteristics. It is quite prevalent and can be
easily diagnosed by a dermatologist. All that in this movie: Psoriasis is a chronic inflammatory disease of the skin. It is not infectious. The disease typically
has ups and downs. It is usually hard to predict
the next onset. Typically, the condition improves
in summer and deteriorates in winter. What are the symptoms? The most common ones
are elevated patches of skin which are red and are
covered by thick scales which are somewhat
silvery in color. They usually appear on the scalp,
the elbows and knees, sometimes also on
the buttocks and lower back. In many patients there
is also damage to the nails. There are also other
types of this disease with different lesions
and different locations. There is “inverse psoriasis”, that instead of appearing
on the elbows and knees appears in skin folds. Skin folds contain
more humidity and the scales cannot be seen,
they dissolve, and we can only see
red itchy patches. Another type is the
“guttate psoriasis” in which small,
drop-like lesions appear on the torso. They often occur after an infection
of the upper respiratory tract, mainly following
a “strep throat”. Another type is
“pustular psoriasis”. This affects primarily
the palms and the soles. In these cases there are
no thick scales, but rather, small blisters
that look like pus. These blisters are filled
with pus, but contain no microbes and therefore are not infectious.
This is not an infectious disease. This type of psoriasis adversely
affects the quality of life. However, the even more severe
type of pustular psoriasis is the one that involves
large areas of the body that are covered by red patches
covered with pustules, which are
small puss-filled blisters. The last type is considered
to be a complication of the disease: “erythrodermic psoriasis”, in which the whole skin becomes red,
painful and covered with scales. This is sometimes accompanied
with high fever. How do we assess
the severity of the disease? The severity is important
as it dictates the recommended treatment. The condition is defined
as “mild” if it involves less than
2% of the skin. The next level
is between 2-10% and is called “moderate”. When it involves more than 10%,
it is called “severe”. Beyond measuring the effected area
we can use other scales to assess the severity
of the disease. The PASI scale is used
by doctors to assess the effect
of treatment on the disease, usually in clinical trials. This scale takes into consideration not only the size of the
area effected, but also the
the severity of lesions which is expressed
by their redness, their elevation and the level of scaling. There is another scale
that assesses the damage to
quality of life. Recently we have introduced
another scale which takes into consideration
the location of the lesions. Obviously, if the face is involved, the (psychological) damage
to the patient is very different from cases where
only the elbows are involved. It was decided that that
there are “sensitive” areas such as the face, the genitalia
or the palms and feet. The appearance of lesions in these
areas is considered “severe” regardless of the
affected area. And so, if you find
a rash on your body and you don’t recognize
this type of rash or feel it needs
to be diagnosed, go see your dermatologist
who will diagnose the disease.

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