Lymphoma Flashcards
Pruritus in Large plaque parapsoriasis – poikilodermic variant is a symptom of ?
malignant transformation !!!
Clinical stages of Mycosis fungoides?
- Phase 1: Patch stage Persistent scaly patches. - Phase 2: Plaque stage Infiltrative elevated lesions. - Phase 3: Tumor stage nodules
Which Parapsoriasis is with high risk of malignant transformation?
- Large-plaque parapsoriasis.
- Poikiloderma atrophicans vasculare.
- And MF can develop in 20% of cases.
T cell lymphomas of
the skin are ?
- mycosis fungoides.
- Sezary syndrome.
- Pagetoid reticulosis.
Mycosis fungoides diagnosis ?
- clinical skin changes +
- histopathology (collections of lymphocytes
(Pautrier microabscess) 25%)
Mycosis fungoides treatment?
_accordingly to the stage of the disease:
- Topical: moderate to potent corticosteroids, bexaroten, carmustine
- Phototherapy: PUVA, Re-Puva, NB-UVA
- Oral retinoids (baxaroten, acitretin)
Mycosis fungoides is :
T cell lymphoma
Large-plaque parapsoriasis biopsy ?
- consider repeated biopsies, every six months.
- Pruritus!!! and elevation as indicators of transforamtion.
What is the risk of malignant transformation in Actinic keratoses?
10%
Which Parapsoriasis form does not progress to lymphoma?
Small-plaque parapsoriasis
Which erythrodermic leukemic manifestation
of T-cell lymphoma whith worse prognosis than MF?
- Sezary syndrome.
5-yr survival – 10-20%
Three symptoms – classic triad of Sezary syndrome?
- Erythroderma.
- Lymphadenopathy.
- Atypical lymphocytes Circulating in the blood.