Differential Diagnosis for 40 Year Old Female with Hair Loss
Single Most Likely Diagnosis
- Androgenetic Alopecia (Female Pattern Hair Loss): This is the most common cause of hair loss in women, characterized by thinning of hair over the mid-frontal scalp, often due to hormonal influences and genetic predisposition.
Other Likely Diagnoses
- Telogen Effluvium: A condition that can be triggered by stress, hormonal changes, or medical conditions, leading to excessive hair shedding.
- Alopecia Areata: An autoimmune condition causing patchy hair loss, which can be associated with other autoimmune diseases.
- Thyroid Disorders: Both hypothyroidism and hyperthyroidism can cause hair loss due to the metabolic effects of thyroid hormones on hair growth.
- Iron Deficiency Anemia: A common condition in women, particularly those with heavy menstrual periods, which can lead to hair loss due to the essential role of iron in hair growth.
Do Not Miss Diagnoses
- Systemic Lupus Erythematosus (SLE): An autoimmune disease that can cause hair loss, among other systemic symptoms, and requires early diagnosis and treatment to prevent serious complications.
- Cancer (e.g., Breast Cancer, Lymphoma): Certain cancers and their treatments can lead to significant hair loss; early detection is crucial for effective management.
- Syphilis: A sexually transmitted infection that can cause hair loss in its secondary stage, highlighting the importance of screening for sexually transmitted diseases.
Rare Diagnoses
- Trichotillomania: A psychological disorder characterized by compulsive hair pulling, leading to noticeable hair loss.
- Tinea Capitis (Ringworm of the Scalp): A fungal infection that can cause hair loss, typically seen in children but can occur in adults.
- Frontal Fibrosing Alopecia: A rare condition characterized by hair loss and scarring on the scalp, often associated with autoimmune disorders.
- Loose Anagen Syndrome: A rare condition where hair is easily pulled out, often due to abnormal hair anchorage.