The correct diagnosis is the best treatment


Here at DHI Medical Group we recognize that the correct diagnosis is the basis for successful and permanent treatment.

That is why we have developed a very sophisticated diagnostic system for hair loss, the UDSA.

Why did we develop the UDSA diagnostic system?

DHI research shows that


(about 3 out of 4) of men and women suffering from hair loss opted for treatment without a proper medical diagnosis.

Hair loss might appear with different patterns and because of several different causes.


In order to help clear the confusion and to offer a complete medical diagnosis for all types of alopecia, for both male and female hair loss, DHI Medical Group inventedthe Unique Diagnostic System for Alopecia (UDSA).

UDSA includes Psychological Aspects, Dermatological Examination, Mathematical Aspects and the DHI Alopecia Test


UDSA was developed by a team of world renowned experts to provide accurate and personalized diagnosis for all types of alopecia – hair and scalp disorders.


UDSA examines each specific case individually, including psychological aspects, dermatological examination, mathematical aspects and the DHI alopecia test; before determining the appropriate treatment plan.


‘A team of DHI experts that include administrative consultant, dermatologist, plastic surgeon, psychologist and endocrinologist are involved in the diagnostic process, according to each patient’s needs. A scientific board compiled of internationally renowned medical experts supervises and approves every treatment plan to treat Alopecia in Panama.

What is my Norwood Class?

The need of classifying the progression of hair loss and alopecia is not only obvious, but also decisive for the communication between specialists. Most importantly, depending on the stage of alopecia that Norwood-Hamilton Scale of Male Pattern Baldness 23 The Anatomy of Hair Follicle the patient is in, classification systems serve as a foundation, enabling doctors to evaluate the results of several treatments and to draw scientific conclusions.

Internationally, there are two very useful classifications of male pattern baldness applied. The mere fact that many patients do not fit into any specific classification category per se, does not cancel their usefulness and necessity.

DHI Medical Group applies the Norwood classification in its data processing program. The older Hamilton classification has not lost its value; however, it causes many difficulties in cases of hair transplantation, in candidate selection, and in pattern designing.

Alopecia classification is related to the aesthetic data of the person at the specific time his/her problem is examined, and not to the future evolution of the hair loss, which has to be clinically tested from an experienced doctor. This procedure is called “prognosis” and is included in the diagnosis of Alopecia.

Norwood Scale

Ludwig Scale

  • In class 3, there is definitely a sparseness or absence of hair in the vertex area.
  • In classes 3,4,5, there is a band of moderately dense hair that joins the front temporal area with the already empty vertex area.
  • In class 6, the bridge of hair that crossed the crown in the previous types has now gone.


Each patient is unique and our diagnosis is made on a case by case basis.

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