Overview
Achard-Thiers syndrome is a disorder that primarily affects postmenopausal women with type 2 diabetes mellitus. In addition to the symptoms associated with diabetes, patients experience an overproduction of androgens, leading to hirsutism and other symptoms characteristic of Achard-Thiers syndrome.
An accurate diagnosis of Achard-Thiers syndrome is crucial for effective management and treatment of the condition, as it helps address specific hormonal imbalances. Moreover, as the symptoms of Achard-Thiers syndrome are similar to the signs of other disorders, it is important to fully understand Achard-Thiers syndrome and be able to distinguish between similar conditions to ensure accurate identification and targeted therapeutic interventions.1
What is achard-thiers syndrome?
Achard-Thiers syndrome (also known as Diabetic Bearded Woman Syndrome)3. is a rare disorder that affects women suffering from type 2 diabetes mellitus (caused by insulin resistance). The syndrome leads to an overproduction of androgens and results in the development of characteristic symptoms.
Affected populations
The syndrome is most often developed in postmenopausal women, but cases of Achard-Thiers syndrome in young women or female adolescents are also reported. However, the exact incidence in these groups is not known.
Causes
The exact cause for the development of Achard-Thiers syndrome is unknown. However, a genetic factor is believed to play a role in Achard-Thiers syndrome transmission. Approximately 50% of the female siblings of women suffering from the syndrome were found to have some form of hyperandrogenaemia, suggesting an inheritance pattern.4
Applied treatment methods
Androgen overproduction
An individual with Achard-Thiers syndrome produces an excess of androgens, leading to characteristic symptoms such as hirsutism. Therefore, treatment methods applied in the cases of Achard-Thiers syndrome mainly aim at reducing androgen levels. For young women, oral contraceptives are typically used to control androgen overproduction. Postmenopausal women are, in turn, treated with hormone replacement therapy, often applied for menopause symptom relief. In some cases, antiandrogens might be applied, which prevent androgen binding to the respective receptors and stop their activity, reducing the symptoms.
Diabetes treatment
Since women suffering from Achard-Thiers syndrome are diabetic, applied treatment must include diabetes management which is typically achieved by an appropriate diet, insulin administration, and other appropriate medications.
Cosmetic measures
Various methods for hair removal, such as waxing or electrolysis, can be applied to address cosmetic concerns of excessive hair growth. 1
Symptoms and signs of achard-thiers syndrome
The first symptoms usually include the signs characteristic of patients with diabetes mellitus, which are caused by the inability to effectively use insulin to process carbohydrates in food. The symptoms typically involve high blood sugar levels (hyperglycemia), high sugar levels in the urine, thirst, frequent urination, and body mass loss.
The symptoms characteristic of Achard-Thiers syndrome usually appear later on. The new symptoms are caused by the overproduction of androgens and typically include the development of excessive body hair in particularly on the face, chest, and back (hirsutism), deepening of the voice, and receding hairline. Other symptoms involve absent, infrequent, or light menstruation. Moreover, in some cases, enlargement of the clitoris is also observed.1
Diagnosis of achard-thiers syndrome
The diagnosis of Achard-Thiers syndrome is based on a combination of symptoms typical for type 2 diabetes mellitus and hyperandrogenism (increased levels of androgen in the system).
First, a physical examination is performed. If the signs of hyperandrogenism, such as excessive body hair, deepening of the voice, increased muscularity, and others, are observed, the healthcare provider typically orders blood tests. Blood sample is taken from the patient and the levels of androgens are determined. If the results show increased androgen levels along with increased glucose levels, the patient is typically diagnosed with Achard-Thiers syndrome and appropriate treatment methods are applied.
In some cases, further tests may be conducted to assess the overall health and function of crucial organs in order to exclude the possibility of increased levels of androgen and glucose being caused by other health disorders. Continuous monitoring and follow-up appointments are key to managing symptoms and preventing complications.1
Differential diagnosis
Many health disorders and medical conditions are characterised by symptoms typical of Achard-Thiers syndrome. It is important to conduct a thorough differential diagnosis to distinguish Achard-Thiers syndrome from other conditions with similar presentations, as misdiagnosis can lead to ineffective treatment, management and potential further complications.
Type 2 diabetes mellitus
Type 2 diabetes mellitus is characterised by insulin resistance and elevated blood sugar levels, which are also observed in patients suffering from Achard-Thiers syndrome. However, Achard-Thiers syndrome involves hyperandrogenism and the development of male characteristics such as excessive body hair and deepened voice tone. The absence of these symptoms usually leads to the exclusion of Achard-Thiers syndrome.
Polycystic ovary syndrome (PCOS)
PCOS is typically characterised by hyperandrogenism, irregular menstrual cycles, and insulin resistance,2 which even more closely follow the pattern of symptoms characteristic of Achard-Thiers syndrome. The physical examination cannot exclude either of the two disorders. Therefore, pelvic ultrasound is typically performed. Observed enlarged or polycystic appearance of ovaries or ovarian cysts detected through examination might confirm polycystic ovary syndrome and result in excluding Achard-Thiers syndrome.
Adrenal gland tumours
Tumours located in the adrenal glands typically cause androgen overproduction and lead to the development of masculine characteristics such as excessive body hair and deepened voice tone. However, in the cases of adrenal gland tumours, the levels of androgen are significantly higher compared to PCOS and Achard-Thiers syndrome, which is one of the characteristics implying the need for further examination. Imaging studies such as ultrasounds, CT scans, PET scans, or MRI examinations can detect the tumour and confirm the diagnosis.
An effective differentiation between Achard-Thiers syndrome and other disorders with overlapping symptoms requires a comprehensive diagnostic approach, including physical examination, laboratory tests, and imaging studies. By accurately identifying the underlying condition, healthcare providers can tailor treatment plans to address specific patient needs and significantly improve clinical outcomes.1
Challenges in the diagnosis of achard-thiers syndrome
The diagnosis of Achard-Thiers syndrome is challenging for many reasons. Its symptoms overlap considerably with other more or less common disorders, which can lead to misdiagnosis. Furthermore, patients with Achard-Thiers syndrome often present with nonspecific symptoms that may initially be attributed to more common conditions like polycystic ovary syndrome (PCOS) or metabolic syndrome, complicating the diagnostic process. The syndrome is rare, making it less likely to be considered in the differential diagnosis by healthcare providers who are less familiar with Achard-Thiers syndrome. The necessary hormonal assays that can confirm hyperandrogenism might be complex and not always available in all medical facilities and hospitals, which creates a further challenge with an accurate diagnosis. Lastly, the psychological impact of the syndrome's visible symptoms, such as hirsutism and masculinisation, can discourage patients from seeking timely medical advice, delaying diagnosis.1
Living with achard-thiers syndrome
Living with Achard-Thiers syndrome can be challenging due to its complex symptoms and impact on an individual's quality of life. Patients often require lifelong management of symptoms through medication and lifestyle adjustments to control blood sugar levels and manage hormonal imbalances. The visible signs of hyperandrogenism, such as excessive hair growth and voice changes, can also affect self-esteem and social interactions. Regular consultations with endocrinologists, dermatologists, and mental health professionals are essential to address the multifaceted aspects of the syndrome effectively. Support groups and counselling can provide additional emotional support and coping strategies for individuals dealing with the psychological and social effects of the condition.
Summary
Achard-Thiers syndrome is a rare disorder primarily affecting postmenopausal women with type 2 diabetes mellitus, characterised by hyperandrogenism and symptoms such as hirsutism and deepened voice tone. Accurate diagnosis is critical to differentiate it from conditions like polycystic ovary syndrome (PCOS) and adrenal gland tumours, which are characterised by similar symptoms. Nonetheless, the patients suffering from these disorders usually develop symptoms that help with the accurate diagnosis. It is usually achieved through thorough physical examinations, blood tests, and imaging studies. An effective treatment focuses on managing androgen overproduction, controlling diabetes symptoms, and addressing cosmetic concerns, while continuous monitoring is necessary to prevent complications. The diagnosis can be challenging due to symptom overlap with more common conditions and the rarity of the syndrome, which may lead to misdiagnosis or delayed recognition.
References
- Achard-Thiers Syndrome - Symptoms, Causes, Treatment | NORD [Internet]. [cited 2024 Aug 6]. Available from: https://rarediseases.org/rare-diseases/achard-thiers-syndrome/
- Alchami A, O'Donovan O, Davies M. PCOS: diagnosis and management of related infertility. Obstetrics, Gynaecology & Reproductive Medicine. 2015 Oct 1;25(10):279-82.
- Malaisse W, Lauvaux JP, Franckson JR, Bastenie PA. Diabetes in bearded women (Achard-Thiers-Syndrome) A clinical and metabolic study of 20 cases. Diabetologia. 1966 Apr;1:155-61.
- Baillargeon JP ., Carpentier AC. Brothers of women with polycystic ovary syndrome are characterised by impaired glucose tolerance, reduced insulin sensitivity and related metabolic defects. Diabetologia. 2007 Sep 27;50(12):2424–32.

