Hair loss has caused me psychological distress, since I'm female.
I am a bald man.
In females hair loss is supposed to be thinning of the hair, but mine is a bald spot in back of head.  I think bald men are actually "in style."
I can empathize in the physical fact of the bald spot and I sympathize with what I assume is your Alopecia, that stinks big time. 
Yes that's what it is!  Alopecia.  A spot of baldness.  How long have you been bald and does it bother you or no?
My mom's pop was bald as can be and my pop's pop was full head of jet black hair. I started thinning in my early 20's so I take it in stride. Is it treatable?
Most treatments work best to slow down hair loss, rather than regrow hair.  I refuse to wear a wig, though!
All I can say is embrace it. I shave my head.....it doesn't grow on top at all anymore. We all have flaws. I don't blame you at all for refusing a wig.
shaven or close cropped hair and often wore wigs. The ancient Egyptians created the wig to shield shaved, hairless heads from the sun. They also wore the wigs on top of their hair using beeswax and resin to keep the wigs in place. Wealthy Egyptians would wear elaborate wigs and scented cones of animal fat on top of their wigs. Other ancient cultures, including the Assyrians, Phoenicians, Jews in ancient Israel, Greeks and Romans, also used wigs as an everyday fashion.
In China, the popularization of the
surgery. If your baldness is very severe scalp reduction can reduce your bald spot and make you look less bald. The surgery usually takes about 2-3 hours with around 250 hair grafts and for a severely bald man it would be about 1,000 hair grafts. 
Candidates for surgery.
- hair loss due to genetics
- healthy scalp
- scalp elasticity
- donor hairs ( healthy hairs on the side and back of scalp)
- must have permanent hair loss
After care.
- do not