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2012 | 12 | 51 | 493–498
Article title

Palce poduszeczkowate – rzadkie schorzenie

Content
Title variants
EN
Knuckle pads – a rare finding
Languages of publication
EN
Abstracts
EN
Knuckle pads are rare harmless subcutaneous nodules that must be differentiated from
joint disease of the proximal interphalangeal or rarely of the metacarpophalangeal joints
as well as from other masses of the paraarticular tissues. We present a case of an otherwise
healthy 36-year-old woman presenting with bilateral knuckle pads located at
the dorsal aspect of the proximal interphalangeal joints. No predisposition to a specific
musculoskeletal disorder was noted. Ultrasound revealed well-delimited subcutaneous
hypoechoic masses without internal flow signals at color Doppler. Histology showed
proliferation of myofibroblasts with a decrease of elastic filaments in the deep dermis.
The clinical picture, the family history in addition to the histology allowed us to make the
diagnosis of knuckle pads. We present the ultrasound findings of knuckle pads and discuss
the differential diagnosis of a “swelling” in the dorsal region of proximal interphalangeal
joints and metacarpophalangeal joints.
PL
Palce poduszeczkowate (knuckle pads), potocznie zwane guzkami kłykciowymi, są rzadkimi i łagodnymi zmianami podskórnymi, które należy różnicować z chorobą stawu międzypaliczkowego bliższego i, rzadziej, stawu śródręczno‑paliczkowego,a także z innymi masami/zmianami okołostawowymi. Prezentujemy przypadek 36‑letniej zdrowej kobiety, u której stwierdzono obustronne guzki zlokalizowane po stronie grzbietowej stawów międzypaliczkowych bliższych. Badanie ultrasonograficzne wykazało wyraźnie odgraniczone, hipoechogeniczne guzki zlokalizowane podskórnie, bez cech obecności nieprawidłowego
unaczynienia w badaniu kolorowym dopplerem. W badaniu histopatologicznym ujawniono proliferację miofibroblastów oraz zmniejszenie liczby włókien elastycznych w głębokich warstwach skóry właściwej. Obraz kliniczny, wywiad rodzinny oraz badania histologiczne pomogły w ustaleniu rozpoznania. W artykule przedstawiamy ultrasonograficzny obraz palców poduszeczkowatych oraz diagnostykę różnicową
pogrubienia tkanek miękkich okolicy grzbietowej stawów międzypaliczkowego bliższego i śródręczno‑paliczkowego.
Discipline
Publisher

Year
Volume
12
Issue
51
Pages
493–498
Physical description
Contributors
  • Department of Rheumatology and Musculoskeletal Ultrasound, Bethesda Hospital, Basel, Switzerland, tamborrini@gmail.com
  • Department of Rheumatology and Musculoskeletal Ultrasound, Bethesda Hospital, Basel, Switzerland
  • Department of Rheumatology and Musculoskeletal Ultrasound, Bethesda Hospital, Basel, Switzerland
References
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Document Type
article
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.psjd-3e7461a8-484b-49fa-bc85-0058a6bce640
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