Cases reported "Mycosis Fungoides"

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1/13. Granulomatous mycosis fungoides: report of a case with some histopathologic features of granulomatous slack skin.

    We describe a case of granulomatous mycosis fungoides, tumor stage, mimicking sarcoidosis in an 82-year-old man with a 2-year history of skin disease. The final diagnosis was established after one of seven biopsy specimens showed a nongranulomatous histologic picture of patch-stage mycosis fungoides. Monoclonality was proven for the lymphocytic population by T-cell-receptor rearrangement studies. The unusually extensive granulomatous inflammation with huge giant cells surrounded by CD1a-positive cells in the other six biopsy specimens was suggestive of the histopathology of granulomatous slack skin, another rare granulomatous cutaneous T-cell lymphoma. Because both a clinical and histologic overlap between granulomatous mycosis fungoides and granulomatous slack skin have been reported in the literature, we conclude that they may belong to the spectrum of a single disease.
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2/13. Nevoid hyperkeratosis of the areola with histopathological features mimicking mycosis fungoides.

    Hyperkeratosis of the areola is a rare benign condition of unknown etiology characterized by slowly growing verrucous thickening and brown pigmentation of the areola or/and the nipple. It may be presented as isolated nevoid form or associated with other skin diseases. We described a 21-year-old woman with characteristic lesions of nevoid hyperkeratosis in both areolas but with histopathological findings resembling mycosis fungoides. Cutaneous lesions have remained unchanged after two years of follow-up.
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3/13. Composite mycosis fungoides and B-cell chronic lymphocytic leukemia.

    Concordant or composite mycosis fungoides and B-cell chronic lymphocytic leukemia (B-CLL) is exceedingly rare, with only 10 cases previously described to our knowledge. We report a case of a 64-year-old woman who developed generalized erythroderma 5 years after the diagnosis of early stage B-CLL. Over the next 6 years of her clinical course multiple sequential samples of skin, peripheral blood, and one enlarged lymph node were studied in detail by flow cytometry, immunohistochemistry, molecular diagnostics, and electron microscopy. The progressive cutaneous infiltrates were initially characterized as leukemia cutis, infiltration by B-CLL. Three years later, when she developed worsening skin disease and lymphadenopathy, the cutaneous infiltrates were characterized as cutaneous T-cell lymphoma. At that point, a biopsy of an enlarged lymph node revealed a composite lymphoma of both B-CLL and cutaneous T-cell lymphoma, and the peripheral blood also contained circulating cells of both neoplasms. Herein we summarize the literature on concordant cutaneous T-cell lymphoma and B-CLL, and the literature on concordant T- and B-cell neoplasms in general, with a review of the postulated relationships between these neoplasms.
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4/13. Cytotoxic mycosis fungoides evolving from pityriasis lichenoides chronica in a seventeen-year-old girl. Report of a case.

    pityriasis lichenoides chronica and its acute form, pityriasis lichenoides et varioliformis acuta, are skin diseases of unknown origin, that probably represent a hypersensitivity reaction to an infective agent. pityriasis lichenoides is often a benign disorder but, because of the presence of a clonal T cell population detected both in the chronic and acute forms, some authors have suggested that it may belong to the group of primary cutaneous T cell lymphomas. Although various studies have clearly documented no significant association between pityriasis lichenoides and malignant lymphomas, cases of long-standing pityriasis lichenoides evolving into mycosis fungoides have been described. Herein we report the case of a girl suffering from pityriasis lichenoides since the age of 11 years, subsequently developing a CD45RO , CD8 , TIA-1 mycosis fungoides.
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5/13. Low-dose oral bexarotene in combination with low-dose interferon alfa in the treatment of cutaneous T-cell lymphoma: clinical synergism and possible immunologic mechanisms.

    BACKGROUND: For nearly 2 decades clinicians have been treating cutaneous T-cell lymphoma (CTCL) with regimens that combine interferon alfa with retinoid compounds. In December 1999 a new retinoid, bexarotene, was approved by the US food and Drug Administration for the treatment of CTCL. At the manufacturer's recommended dose of bexarotene (300 mg/m(2) of body surface area), it has proven to be a highly effective therapy for all stages of CTCL. Nevertheless, this dose is typically associated with adverse effects including severe hyperlipidemia. Furthermore, there appears to be no standardization of dosing among physicians who treat CTCL. OBSERVATIONS: We present 3 representative patients, 2 with erythrodermic CTCL and 1 with follicular mycosis fungoides, who experienced the rapid clearing of skin disease while being treated with a combination of low-dose bexarotene and low-dose recombinant interferon alfa. CONCLUSIONS: Combining low-dose bexarotene with low-dose interferon alfa was well tolerated and led to rapid improvement in our patients. We review the clinical and biologic basis for this approach.
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6/13. Clinical case of the month. A young man with a persistent skin eruption. Mycosis fungoides.

    There are many types of skin disease that fit into the classification of cutaneous lymphoma, but mycosis fungoides is by far the most common of this group. It is a non-Hodgkin's lymphoma of T-cell origin that presents in the skin. mycosis fungoides often evolves for years without a specific diagnosis because it can present as an eczematous or psoriasiform eruption. patients identified in the early stages and treated appropriately have a normal life expectancy.
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7/13. Idiopathic guttate hypomelanosis: idiopathic or ultraviolet induced?

    Idiopathic guttate hypomelanosis (IGH) is a common but often unrecognized skin disease with obscure etiopathogenesis. As the lesions mostly develop on the exposed parts of the extremities, ultraviolet has been hypothesized to induce these lesions. However, previous statistical studies did not confirm any association between ultraviolet and IGH. We describe a 72-year-old woman with mycosis fungoides in whom widespread IGH occurred during narrow band ultraviolet B (UVB) therapy. The lesion development in the trunk following narrow band UVB therapy suggests that these lesions may not be idiopathic and they may be associated with UV exposure although controversy exist in the literature. This case is particular as it reveals strong evidence on this relationship.
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8/13. Exposure to chemicals, physical agents, and biologic agents in mycosis fungoides and the sezary syndrome.

    The history of occupational, environmental, and/or iatrogenic exposure to potential carcinogenic agents was obtained at the time of onset of skin disease in 43 of 44 patients with cutaneous T-cell lymphoma (mycosis fungoides and the sezary syndrome) entering a National Cancer Institute therapeutic trial. A history of multiple exposures to these agents was common, the two most frequent being chemicals (91% of patients) and drugs (86%). Mean duration of expsosure was 13 years for chemicals and 18 years for drugs. The most common chemicals were air pollutants (39%), pesticides (36%), solvents and vapors (30%), and detergents and disinfectants (14%). Increased severity of disease was seen with increaed duration of chemical exposure in stage V cutaneous T-cell lymphomas only. The most frequent drugs besides tobacco (86%) were analgesics (20%), tranquilizers (18%), and thiazides (14%). Second cancers occurred in four patients, including two renal cell carcinomas, and a family history of cancer was present in 11. Fourteen of 22 patients questioned had recurrent herpes simplex. patients with chronic skin disease who have long-term exposure to combinations of chemicals, physical agents, and biologic agents, are heavy smokers, or have recurrent herpes simplex appear to be prime candidates for developing mycosis fungoides or the sezary syndrome.
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9/13. Chronic cutaneous lupus erythematosus mimicking mycosis fungoides.

    mycosis fungoides, which is characterized by a malignant infiltrate of T lymphocytes involving the epidermis, can be confused with other inflammatory skin diseases. We report the case of a patient with skin lesions containing an infiltrate of atypical lymphocytes with epidermotropism. This patient's condition was initially diagnosed as mycosis fungoides. Repeated biopsy samples had the histologic features of chronic cutaneous lupus erythematosus. The patient had a strongly positive antinuclear antibody response and the clinical lesions responded to hydroxychloroquine, however, and these findings led to an altered diagnosis. Other disorders that either clinically or histologically mimic mycosis fungoides are reviewed, and the diagnostic evaluation of patients in whom mycosis fungoides is suspected is summarized. Chronic cutaneous lupus erythematosus should be added to the list of diseases that can mimic mycosis fungoides.
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10/13. Cutaneous T-cell lymphoma associated with granulomatous slack skin.

    Granulomatous slack skin disease (GSS) is a rare disorder characterized by bulky cutaneous lesions and epithelioid and giant cell granulomas with destruction of the dermal elastic tissue. We detail the observation of a 29-year-old man with clinical and histological features of GSS. Pendulous skin tumors were associated with typical clinical and immunohistochemical aspects of mycosis fungoides and with clonal rearrangement of the V gamma T-cell receptor gene in lesional skin. This case report supports cutaneous T-cell lymphoma as a cause of GSS.
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