Acquired Flatfoot: What Your Diagnosis Means - Orthopedics

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Acquired flatfoot, also known as adult-acquired flatfoot deformity (AAFD), is a condition characterized by the collapse of the arch of the foot, leading to a flat appearance. This condition can develop due to various factors, including injury, aging, obesity, and certain medical conditions that affect the tendons and ligaments in the foot. Your diagnosis of "未明示側性扁平足（後天性）" translates to "unspecified unilateral acquired flatfoot," indicating that the condition is likely affecting one foot more than the other, and it has developed over time rather than being present from birth.

The foot arch is crucial for distributing body weight and providing balance and stability during movement. When the arch collapses, it can lead to several complications, including pain in the foot, ankle, and even the knees and hips due to altered biomechanics. The condition can also affect your gait, leading to further discomfort and potential injuries.

In terms of your specific measurements (152.84 and 154.48), these likely refer to the angles or distances measured during your X-ray examination, which help in assessing the degree of flatfoot deformity. A normal foot arch typically has a specific range of angles, and deviations from this range can indicate varying degrees of flatfoot.

Acquired flatfoot can be classified into different types based on the underlying cause. Some common causes include:
1. Posterior Tibial Tendon Dysfunction (PTTD): This is one of the most common causes of acquired flatfoot. The posterior tibial tendon helps maintain the arch of the foot, and if it becomes inflamed or torn, it can lead to flatfoot.

2. Arthritis: Conditions like rheumatoid arthritis can affect the joints in the foot, leading to changes in the structure and function of the foot.

3. Injury: Trauma to the foot or ankle can result in changes to the ligaments and tendons, contributing to flatfoot.

4. Obesity: Excess weight can put additional stress on the foot's structures, leading to the collapse of the arch.

5. Neuromuscular Conditions: Conditions that affect muscle control can also lead to flatfoot.

Treatment for acquired flatfoot varies based on the severity of the condition and the underlying cause. Options may include:
- Conservative Management: This includes physical therapy, orthotic devices (custom-made shoe inserts), and supportive footwear to help alleviate pain and improve function.

- Medications: Nonsteroidal anti-inflammatory drugs (NSAIDs) can help reduce pain and inflammation.

- Surgery: In more severe cases where conservative treatments fail, surgical options may be considered to correct the deformity and restore the arch.

It's essential to consult with an orthopedic specialist or a podiatrist who can provide a comprehensive evaluation of your condition. They can recommend the most appropriate treatment plan based on your specific diagnosis and lifestyle needs. Additionally, they can help you understand the implications of your diagnosis and what steps you can take to manage the condition effectively.
In summary, your diagnosis of unspecified unilateral acquired flatfoot indicates that you have a condition affecting the arch of your foot that has developed over time. Understanding the underlying causes and treatment options is crucial for managing symptoms and maintaining mobility.