The phrase "clinical conundrum" refers to a puzzling situation in a medical context. There are several synonyms that can be used to convey the same meaning. One such word is "medical dilemma," which represents a difficult decision or situation that arises during the course of medical treatment. Another synonym for clinical conundrum is "medical quandary," which signifies a state of doubt or uncertainty about the right course of action in a medical situation. A third possible synonym is "healthcare puzzle," which highlights the complexity of solving problems in the medical field. Ultimately, any of these terms can be used to describe a situation in which medical professionals are faced with a complex problem they must work to solve.