Orange-red birefringence of gold particles in paraffin wax embedded sections

Autor:	J.M. Theaker, D.H. Wright, R.K. Al‐Talib
Rok vydání:	1994
Předmět:	Pathology medicine.medical_specialty Birefringence Paraffin Embedding Histology Chemistry Diagnostico diferencial General Medicine medicine.disease Pathology and Forensic Medicine Arthritis Rheumatoid Chrysiasis Paraffin wax Antirheumatic Agents Gold particles medicine Humans In patient Organogold Compounds Pigmentation Disorders
Zdroj:	Histopathology. 24:176-178
ISSN:	1365-2559 0309-0167
DOI:	10.1111/j.1365-2559.1994.tb01300.x
Popis:	Chrysiasis, the systemic deposition of gold pigment in patients on long term chrysotherapy, is identified histologically as small black granules within macrophages. Histological sections from 12 confirmed cases of chrysiasis were examined under crossed polarized light. This revealed a striking orange-red birefringence of the pigment not detected in other histologically similar deposits. This technique provides a valuable adjunct to the histological identification of gold without the need to resort to ultrastructural and analytical procedures.
Databáze:	OpenAIRE
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