Choose the correct answer from the options given below :
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\textbf{Radiology: Diagnostic Signs.} Recognizing these classic radiological signs is crucial for accurate diagnosis in various clinical conditions. They often provide strong clues and help narrow down the differential diagnoses.
Certain radiological or clinical signs are characteristically associated with specific clinical conditions. The correct matching in this case is:
\begin{itemize}
\item String sign of Kantor (A) is a radiological finding typically associated with Crohn’s Disease (III), representing the narrowed lumen of the terminal ileum due to stricture formation.
\item Claw sign (B) is a radiographic feature seen in Intussusception (IV), where the intussusceptum (the inner portion of the bowel) appears to be grasped by the intussuscipiens (the outer portion).
\item Bird’s beak appearance (C) is a characteristic finding on barium swallow in Achalasia Cardia (I), showing the smooth tapering of the distal esophagus at the lower esophageal sphincter.
\item Fallen leaf sign (D) is a radiographic sign often associated with a Simple bone cyst (II), where a fragment of cortical bone has fallen through the fluid-filled cyst.
\end{itemize}
Therefore, the correct combination is (A)-(III), (B)-(IV), (C)-(I), (D)-(II).
