Question
The histopathological picture of a patient suffering from carcinoma is shown below.The multiple,round figures seen in the image is due to a mineral deposition .It can be seen in all of the following conditions,except:
A. Papillary thyroid carcinoma
B. Adenocarcinoma of Lung
C. Meningioma
D. Squamous cell carcinoma of Tongue.
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Correct Answer » D Explanation |
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Ans:D. Squamous cell carcinoma of Tongue.
The histopathological picture shows Psammoma Bodies.
Psammoma bodies
- They are round microscopic calcific collections.
- It is a form of dystrophic calcification.
- Necrotic cells forms the focus for surrounding calcific deposition.
- They have a lammelated concentric calcified structure, sometimes large enough to be seen on CT.
- Psammoma bodies are found in a diverse group of tumours which include:
- papillary thyroid carcinoma
- papillary serous endometrial adenocarcinoma
- meningioma
- mesothelioma
- serous cystadenocarcinoma of the ovary
- adenocarcinoma of lung.