It is currently unclear whether hydroa vacciniforme like t cell lymphoma is a discrete entity or lies at the severe end of the spectrum of hydroa vacciniforme. Hydroa vacciniforme can often be diagnosed from the patients or parents description and by examination of the skin or photographs of the rash. Hydroa vacciniforme is a rare photodermatosis that typically presents in childhood as vesicles which heal with scarring. Hydroa vacciniforme is a rare, chronic photodermatosis with onset in childhood that is characterized by recurrent vesiculation, necrosis, and vacciniform scarring limited to sunexposed skin.
A lamina basal todos os epitelios sao assentados sobre o tecido conjuntivo. In these cases, the hydroa vacciniforme lesions may spread to. Hydroa vaciniforme hv is a rare photodermatosis that is mainly seen in childhood. Though the pathogenesis is poorly understood, epstein barr virus ebv can be detected in the dermal infiltrate.
Hydroa vacciniforme hv is a sunlightinduced dermatosis hallmarked by. Early diagnosis and treatment of this disease which is characterized with recurrent vesicles and bullae on areas which are exposed to sun including the face and distal parts of the extremities is important, since it recovers by leaving scar. Hydroa vacciniforme is a rare, debilitating photodermatosis of unknown. Histologic examination of specimen from patient with hydroa vacciniformelike. Iglesias ram irez, eduardo pomares bory, jaime valenti perez, andres dovale borjas. Linfoma cutaneo a celulas t, simil hydroa vacciniforme. Adultonset hydroa vacciniformelike lymphoma in a longterm. Long wavelength ultraviolet radiation uva is most often implicated. It is an epsteinbarr virus ebvpositive lymphoproliferative disease lpd characterized by a monoclonal proliferation of t or nk cells. Deciphering hydroa vacciniforme blood american society. Bloom and a great selection of related books, art and collectibles available now at. Matriz extracelular tecido celulas matriz extracelular tecido epitelial poliedricas e justapostas pequena quantidade tecido conjuntivo fixas e migratorias abundante tecido muscular alongadas e contrateis quantidade moderada tecido nervoso com longos prolongamentos nenhuma prof. With this lymphoma, the lesions are usually larger, fail to resolve and may also involve nonsunexposed sites.
Hydroa vacciniforme international journal of advances in medicine. Hydroa vacciniforme like lymphoma hvll is an epsteinbarr virus ebvpositive tcell lymphoproliferative disorder of childhood that occurs mainly in central and south america and asia. Hydroa vacciniforme an overview sciencedirect topics. Aug 05, 2019 hydroa vacciniforme hv is a rare, chronic photodermatosis of unknown origin occurring in childhood. Long wavelength ultraviolet radiation uva is most often implicated in some cases, hydroa vacciniforme has been associated with epsteinbarr viral ebv infection, which normally results in glandular fever infectious mononucleosis.
The cutaneous tcell lymphoma type hydroa is a type of lymphoma related to epstein barr virus that affects children and young people, and characterized by lesions that resemble the hydroa vacciniforme. The disease which was described by bazin in 1862 for the first time is characterized with bullae and vesicles recurring on the areas which are exposed to sun and its typical characteristic is to leave scars similar to varicella. In this issue of blood, cohen et al describe a series of hydroa vacciniforme hvlike lymphoproliferative disorder hvlpd cases in whites. Hydroa vacciniforme hv is a rare photodermatosis of unknown etiology. However, in pmle, the lesions almost always heal without scarring, and the histological features differ from those of hv. Hydroa vacciniforme like lymphoma hvll is an extremely rare lymphoma described in children that occurs mainly in asia and latin american countries. Hydroa vacciniforme with unusually severe scar formation. Hydroa vacciniformelike lymphomatoid papulosis in a japanese child. While ebv titers and bzlf1 expression have been used to predict. Recurrent vesicles on sunexposed skin that heal with vacciniform or varioliform scarring characterize hv. Hydroa vacciniforme is another photodermatosis that most often affects children. Tabata n, aiba s, ichinohazama r, kikuchi k, aoyama h, watanabe m, et al.
Cases that have coinfection with ebv can also demonstrate atypical lymphocytes on histology 1. The cause of hydroa vacciniforme is usually unknown. Hydroa vacciniforme like lymphomatoid papulosis in a japanese child. Pdf hydroa vacciniforme hv is a rare and chronic pediatric disorder that is characterized by. Pathology outlines hydroa vacciniformelike lymphoma hvl. Permanent cure of hydroa vacciniforme after chemotherapy for hodkings disease letter. If there is uncertainty about the diagnosis, your dermatologist may suggest blood tests and perhaps special tests photo testingskin biopsy.
Facebook is showing information to help you better understand the purpose of a page. It is currently unclear whether hydroa vacciniformelike t cell lymphoma is a discrete entity or lies at the severe end of the spectrum of hydroa vacciniforme. Hydroa vacciniformelike lymphoma hvll is an extremely rare lymphoma described in children that occurs mainly in asia and latin american countries. Hidroa vacciniforme is a rare chronic photodermatosis with unknown cause in which lesions appear with exposure to sun. We present the clinicopathological features of 20 mexican children with hvll with a median age of 8 years at diagnosis range, 115. Histologia veterinaria education facebook 455 photos.
The infiltrate in the dermis may be denser than seen in hydroa vacciniforme and. Hydroa vacciniforme hv is a very rare, chronic photodermatitistype skin condition with usual onset in childhood. Hidroa vaciniforme extensa extensive hydroa vacciniforme. A case of a female adult patient without pathological history and with skin lesions in face. In some cases, hydroa vacciniforme has been associated with epsteinbarr viral ebv infection, which normally results in glandular fever infectious mononucleosis.
Hydroa vacciniforme is a rare chronic photodermatosis with unknown cause in which lesions appear with exposure to sun. Systemic lymphoma arising from hydroa vacciniformelike. Hydroa vacciniformelike t cell lymphoma it is currently unclear whether this is a discrete entity or lies within the spectrum of hydroa vacciniforme. Dermatologia comunitaria, hidroa vacciniforme, linfoma t cutaneo asociado con virus epsteinbarr, hidroa vacciniformelike abstract hydroa vacciniformlike is multisystemic disease with malignant potential, which frequently evolve to epsteinbarr viruspositive tcell cutaneous lymphoma. Hydroa vacciniforme hv is a photosensitivity disorder characterized by recurrent necrotic vesiculopapules on sunexposed areas, which heal spontaneously during adolescence. Cest une affection acquise qui debute dans lenfance et guerit spontanement souvent a ladolescence.
338 1655 1275 907 359 522 505 1666 351 1572 317 315 53 457 147 1115 1660 50 3 725 1008 498 957 162 993 800 188 172 447 983 1284 721 629 29 1016 746 558 991