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Often difficult to diagnose, because it is rare, because symptoms come on slowly, and because it can be mistaken for other diseases that cause muscle weakness (limb girdle muscular dystrophy).
Mental health, because mental health issues are often "invisible" and difficult to diagnose
Diagnosis of Leigh syndrome is often difficult due to the broad variability in clinical symptoms as well as the many different genetic explanations that cause this disease.
they are often difficult to diagnose. There are no screening tests available, and, since the symptoms are nonspecific, lymphomas are rarely recognized in their early stages.
Because chlamydia can infect the testes, and because the testes rely on the body being able to tell that it shouldn't attack the sperm made there, there is concern that a vaccine could affect sperm production in men by inducing an autoimmune response. (See related link).
A discoloring of the urine is one of the classic symptoms of prophyria. Other symptoms can include episodic (often severe) abdominal pain and neuropathies. Prophyria often has a constellation of symptoms that involve several systems of the body, and can therefore be difficult to diagnose.
Is a great car. I disagree. It is mediocre at best when it comes to reliability. There are numerous ignition and electrical problems that occur in all of these and they're often very difficult to diagnose and fix. Stay away--buy a honda/toyota
According to my text book page 754, "guide to managing and maintaining you pc, that is true.
Cranial ultrasonography is most often used in infants to diagnose problems with the brain
Diagnosis can often be made based on the appearance of the throat with confirmation by microbiological culture.
It depends on the animal
Rats