Also found in: Dictionary, Thesaurus, Encyclopedia.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
Treatment of cancer by intravenous injection of a photosensitizing agent, such as hematoporphyrin, followed by exposure to visible light of superficial tumors or of deep tumors by a fiberoptic probe.
Farlex Partner Medical Dictionary © Farlex 2012
Bright light therapy, see there.
A therapy in which various conditions (colorectal cancer, cutaneous T-cell lymphoma, head and neck cancer, Kaposi sarcoma, psoriasis, skin cancer) are treated by light after previous administration of the agent haemoporphyrin.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
photochemotherapyExtracorporeal photochemotherapy, photopheresis, phototherapy Oncology A therapy in which a photosensitizer–eg, a hematoporphyrin derivative, is administered, post light exposure; PCT is used to eradicate, or ↓ size of superficial transitional cell carcinomas of the urinary bladder, systemic sclerosis and other autoimmune diseases
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
Treatment of cancer by intravenous injection of a photosensitizing agent (e.g., hematoporphyrin), followed by exposure to visible light of superficial tumors or of deep tumors by a fiberoptic probe.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012