3 treatment settings, 2 with more than one named option. Each section lays out the options the standard of care names, what each is for, the trials behind them with their recorded results, the side effects and cautions on record, and questions to ask. Built from the cancer page's standard-of-care rows; nothing here is advice for your case.
The diagnosis cannot be made on the biopsy alone, because the cells look identical to those of systemic anaplastic large cell lymphoma. It requires staging that shows no disease outside the skin, and a clinical history: how long the lesion has been there, whether others have come and gone, and whether the person has lymphomatoid papulosis or mycosis fungoides, which coexist with it. An ALK-positive skin tumour is usually systemic disease that has reached the skin, and is staged and treated as such.
Histopathology means looking at cancer cells under a microscope, and immunohistochemistry stains them for specific proteins. Together they are still the foundation of every diagnosis.
FDG PET is the standard PET scan. A radioactive sugar shows which tissues are burning glucose fast, which most cancers do.
No trial record is attached to this row yet. The trials tab lists what is recruiting and the landmark trials for this cancer.
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Surgical excision or local radiotherapy. Both work; the choice is made on the site, the size and what will heal well. Lesions recur in a substantial proportion of patients, 42 per cent in the Stanford series, and recurrence in the skin is expected rather than a treatment failure: it is treated the same way again. Up to a quarter of lesions regress partly or completely without any treatment, so observing a lesion that is already shrinking is reasonable.
Short courses of radiation, often a single treatment, to relieve pain from bone metastases, stop bleeding, open blocked airways or protect the spinal cord. Among the most cost-effective treatments in cancer.
No trial record is attached to this row yet. The trials tab lists what is recruiting and the landmark trials for this cancer.
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Low-dose weekly methotrexate for disease that keeps recurring in many places. Brentuximab vedotin for widespread or extracutaneous disease: ALCANZA randomised patients with CD30-positive mycosis fungoides or primary cutaneous anaplastic large cell lymphoma to brentuximab vedotin against the physician's choice of methotrexate or bexarotene, and the figures are on the cutaneous T-cell lymphoma page. Combination chemotherapy is reserved for disease outside the skin: it produces short remissions and real harm in a disease otherwise controlled for decades, and over-treatment is the commonest avoidable harm here.
The 1948 antifolate that produced the first chemotherapy remissions in childhood leukaemia and the first cure of a solid tumour; still essential in ALL, lymphoma, osteosarcoma and CNS lymphoma.
The ADC that made the modern field credible (2011), for Hodgkin lymphoma and CD30+ lymphomas.
Brentuximab vedotin produced far more objective responses lasting at least four months than methotrexate or bexarotene; approved in November 2017.
| Side effect | Any grade | Grade 3+ |
|---|---|---|
| Neutropenia · ECHELON-1, A+AVD arm | 91% | 82% |
| Febrile neutropenia · ECHELON-1, A+AVD arm | 19% | 19% |
| Peripheral sensory neuropathy · ECHELON-1, A+AVD arm | 65% | 10% |
| Vomiting · ECHELON-1, A+AVD arm | 33% | 3% |
Rates from the label or pivotal trial as recorded on the product page; each grade 3+ figure links to its source.
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