Angular Stool: Causes and When to Seek Further Testing - Surgery

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Understanding the characteristics of stool, including the presence of angular or irregular shapes, can provide valuable insights into gastrointestinal health. Angular stool, which may appear rectangular or have sharp edges, can be influenced by several factors, including diet, hydration, and underlying medical conditions.

In your case, the fact that you have undergone gallbladder removal (cholecystectomy) may play a role in your stool characteristics. The gallbladder is responsible for storing bile, which aids in the digestion of fats. After its removal, bile flows directly from the liver into the intestines, which can sometimes lead to changes in digestion and stool consistency. This can result in softer stools or variations in stool shape, particularly if your diet is low in fiber or high in processed foods.

The width of your stool being about the size of your thumb is noteworthy. Normal stool width can vary, but consistently narrow stools can sometimes be a sign of a condition known as "pencil-thin stool," which can indicate a potential obstruction in the colon. However, since you have had a colonoscopy a year ago that showed no significant issues aside from hemorrhoids, it is less likely that a serious condition is present. Hemorrhoids can indeed affect stool shape and consistency, as they may cause discomfort or changes in bowel habits.

The smooth side of your stool could be attributed to the way it passes through the intestines. If the stool is softer, it may mold to the shape of the intestinal walls, leading to a smoother appearance on one side. This is generally not a cause for concern unless accompanied by other symptoms such as bleeding, significant changes in bowel habits, or abdominal pain.

Given your situation, it is important to consider dietary factors. A diet low in fiber can lead to softer stools and may contribute to irregular shapes. Increasing your intake of fruits, vegetables, whole grains, and adequate hydration can help promote more regular and well-formed stools.
As for whether you should undergo a full colonoscopy, it may depend on your physician's assessment of your symptoms and medical history. Since you have had a recent colonoscopy without significant findings, and you are not experiencing alarming symptoms such as blood in the stool or severe abdominal pain, it may not be immediately necessary. However, if you continue to notice changes in your stool or develop new symptoms, it would be prudent to consult with your healthcare provider for further evaluation.

In summary, while angular stool can be influenced by various factors, including diet and previous surgeries, it is essential to monitor any changes and discuss them with your healthcare provider. Regular check-ups and open communication about your gastrointestinal health can help ensure any potential issues are addressed promptly.