Question:
Lendrum stain (Phloxine-Tartrazine) is done at autopsy for the diagnosis of?
Lendrum stain (Phloxine-Tartrazine) is done at autopsy for the diagnosis of?
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Phloxine-Tartrazine highlights fetal squames in maternal lung vessels.
Updated On: Jun 24, 2026
- Air embolism
- Fat embolism
- Amniotic fluid embolism
- None
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Verified By Collegedunia
The Correct Option is C
Solution and Explanation
Step 1: Diagnosis of amniotic fluid embolism at autopsy depends on demonstrating fetal elements within the maternal pulmonary vasculature using special stains on sections of lung and other organs.
Step 2: The Lendrum stain (Phloxine-Tartrazine) is used to detect fetal squames (squamous cells), which appear in the maternal lung capillaries in amniotic fluid embolism.
Step 3: Complementary stains include Alcian Blue to detect mucin and Sudan Black or Oil Red O to detect lipid (vernix caseosa), together confirming the presence of amniotic fluid debris.
Step 4: Air embolism and fat embolism are diagnosed by other techniques (for example, special dissection and water-trap tests for air, and Oil Red O for systemic fat), so amniotic fluid embolism is the correct answer.
Step 2: The Lendrum stain (Phloxine-Tartrazine) is used to detect fetal squames (squamous cells), which appear in the maternal lung capillaries in amniotic fluid embolism.
Step 3: Complementary stains include Alcian Blue to detect mucin and Sudan Black or Oil Red O to detect lipid (vernix caseosa), together confirming the presence of amniotic fluid debris.
Step 4: Air embolism and fat embolism are diagnosed by other techniques (for example, special dissection and water-trap tests for air, and Oil Red O for systemic fat), so amniotic fluid embolism is the correct answer.
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