This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: TB of the Hip, Knee, Other Joints, Subject name: Orthopaedics
TB hand - 
Select and explain. 
A. Spina ventosa, B. Cariessicca, C. Pott's disease, D. None
A: Spina ventosa
Answer: A: Spina ventosa 
Explanation: Ans. is 'a' i.e., Spina ventosa o Spina ventosa is the name given to tuberculosis of the phalanges of hand.o Shoulder joint tuberculosis, at times, may not produce any pus etc., and hence is called 'caries sicca' and should always be considered in differential diagnosis of much commoner shoulder problem - 'Frozen shoulder'.