Cases reported "pityriasis rosea"

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1/19. pityriasis rosea in a patient with Behcet's disease treated with interferon alpha 2A.

    interferons have been used for the treatment of many diseases because of their immunomodulatory, antiviral, antitumoral, and antiproliferative effects. Systemic interferon alpha 2a (IFN-alpha 2a) is also efficacious in the management of Behcet's disease (BD). Many adverse cutaneous reactions related to IFN-alpha have been reported. In the light of the current literature, we report here the first case of pityriasis rosea (PR) that developed while receiving IFN-alpha 2a for BD. However, since this is the first report on this association, further observations are needed to determine their clinical relevance. ( info)

2/19. Immune-mediated pathology following hepatitis B vaccination. Two cases of polyarteritis nodosa and one case of pityriasis rosea-like drug eruption.

    The association of hepatitis b virus infection and vasculitis or other immune-mediated manifestations is well documented. Reports on such manifestations in relation to hepatitis B vaccination are scarce, however. We report 2 patients who developed polyarteritis nodosa following vaccination against hepatitis B. In one patient this resulted in an ischemic and necrotic digital ulcus, necessitating surgical amputation. The other patient presented with typical cutaneous polyarteritis nodosa which responded well to corticosteroid treatment. A third patient developed a severe pityrias rosea-like eruption. He was treated with topical steroids with healing of the lesions, leaving only post-inflammatory hyperpigmentation. The literature on these associations is reviewed. ( info)

3/19. Localized pityriasis rosea.

    pityriasis rosea is a relatively common skin disorder. In its typical form it is easily recognizable; however, atypical forms can pose diagnostic problems. We report a 44-year-old woman with an acute onset of a localized eruption on her left breast. The morphology of the rash and the time course were typical of pityriasis rosea. Localized pityriasis rosea is an unusual variant, which has been described previously. ( info)

4/19. Lack of evidence of active human herpesvirus 7 (HHV-7) infection in three cases of pityriasis rosea in children.

    Three cases of pityriasis rosea in Chinese children are presented. Using polymerase chain reaction for detection of human herpesvirus 7 (HHV-7) dna in plasma and peripheral blood lymphocytes, we find no evidence of active HHV-7 infection. ( info)

5/19. Papular pityriasis rosea.

    pityriasis rosea (PR) is a seasonal papulosquamous disorder that can be easily confused with a wide variety of similar appearing cutaneous disorders. This is particularly evident in its atypical papular form. We present a case report of atypical papular PR, along with a discussion of clinical presentation, histologic criteria, proposed etiology, and treatment options. Papular PR is atypical, presenting in a minority of patients, and may pose a diagnostic challenge. Being familiar with these atypical characteristics will facilitate accurate and timely diagnosis. ( info)

6/19. pityriasis rosea associated with imatinib (STI571, Gleevec).

    A tyrosine kinase inhibitor (STI571, Gleevec) has recently been applied in the treatment of chronic myeloid leukemia. We present the first reported case of pityriasis rosea occurring as a reaction to Gleevec in a woman with blast crisis of this disorder. It is suggested that although coincidental, this exanthem may be due to this agent. ( info)

7/19. Long-lasting "christmas tree rash" in an adolescent: isotopic response of indeterminate cell histiocytosis in pityriasis rosea?

    A 13-year-old girl developed a non-pruritic pityriasis rosea-like rash, which did not respond to topical corticosteroids or UV therapy but persisted for 2 years. The lymphohistiocytic infiltrate in the upper dermis showed mononuclear cells immunoreactive with S100, CD68, factor xiiia and CD1a. Electron microscopic evaluation of these cells demonstrated lamellated dense bodies but no Birbeck granules, lipid vacuoles or cholesterol crystals. Two diagnoses were made: a primarily clinical diagnosis of generalized eruptive histiocytosis and a more cell-biology-based diagnosis of an indeterminate cell histiocytosis. Three years later, the lesions are showing spontaneous resolution, with loss of erythema and flattening. Our patient's indeterminate cells fulfil Rowden's classical definition (dendritically shaped epidermal non-keratinocytes without identifying cytoplasmic features), as well as Zelger's newer definition (cells with features of both macrophages and dendritic cells). A Christmas tree pattern has not been previously described in indeterminate cell histiocytosis. Development of indeterminate cell histiocytosis in the lesions of a healing pityriasis rosea might explain the unusual distribution pattern. The development of a skin disorder at the site of an unrelated, already healed skin disease is known as an isotopic response. Key ( info)

8/19. pityriasis rosea-like eruption due to pneumococcal vaccine in a child with nephrotic syndrome.

    A pityriasis rosea-like eruption can occur as a consequence of treatments with gold compounds and captopril. It has rarely been reported to have an association with vaccinations such as smallpox, BCG, hepatitis B, and diphtheria toxoid. It has not previously been documented to develop after pneumococcal vaccination. We report a case of pityriasis rosea-like eruption that developed following pneumococcal vaccination in a child with nephrotic syndrome. ( info)

9/19. pityriasis rosea. Appearance and distribution of macules aid diagnosis.

    A 40-year-old man presented with a 1-week history of a diffuse pruritic rash. The patient denied having had fever, chills, or a recent respiratory infection. He could not recall having an initial patch. physical examination revealed numerous small, scaly patches on his trunk (figure 1). The rash spared the palms of his hands and soles of his feet as well as the distal extremities. ( info)

10/19. Atypical pityriasis rosea and Hodgkin's disease.

    pityriasis rosea (PR)-like eruptions have been associated with several neoplasms and drugs. These eruptions may be atypical. To date, the association of Hodgkin's disease with PR-like eruptions has rarely been reported. We report a 37-year-old patient with clinical lesions of PR-like, systemic symptoms and lymphadenopathies, who was subsequently diagnosed with Hodgkin's disease. ( info)
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