Are solid nodules malignant?

Many people think that solid nodules are malignant tumors? So is this really the case? Solid nodules refer to solid heteroplastic tissues in normal organs and tissues of the human body, such as lumps, tumors, etc. Essentially, it is a non-cystic nodule that is hollow and contains a lot of filling material. Once a solid nodule is found, the key is to diagnose whether it is malignant.

A solid nodule is a nodule with filling inside, rather than a hollow nodule like a cystic nodule.

Superficial nodules can be diagnosed by palpation , while deeper nodules require diagnosis through ultrasound, X-ray, CT, MRI, etc. Different diagnostic methods can diagnose different organs and tissues. Even for solid nodules of different natures in the same organ and tissue, the sensitivity of different diagnostic methods is different.

For the diagnosis of solid nodules, generally speaking, the diagnosis of benign or malignant is the most important. Nodules of different natures in different organs and tissues have different degrees of severity and require different clinical treatments.

Basically all organs and tissues of the human body have the potential to develop solid nodules . The most noteworthy ones are the solid nodules in organs such as the liver, spleen, glands, lymph nodes, breasts, and ovaries. Physical injuries such as bleeding can also cause solid nodules on imaging, that is, the congested areas appear as solid nodules on imaging equipment.

Solid nodules are not necessarily malignant. Malignant lesions of solid nodules often have the following manifestations:

1. Regularly shaped cystic-solid mixed echo nodules with blood flow signals in the solid part. It is more common in follicular adenomas and adenomatous nodules.

2. Regularly shaped, uniform, solid echo nodules. Microcalcifications can sometimes be seen in the capsule or nodules, and there is abundant blood flow inside. It is more common in follicular adenomas, adenomatous nodules, and thyroid cancer.

3. Irregularly shaped solid echo nodules, sometimes with microcalcifications visible in the capsule or nodules, and abundant blood flow inside. It is more common in thyroid cancer.

4. Solid echogenic nodules with irregular shapes and extraglandular infiltration. Sometimes microcalcifications can be seen in the capsule or nodules, and the internal blood flow is abundant. It is more common in thyroid cancer.

5. Thyroid cancer mostly presents as solid low-echo. If cystic lesions occur, the solid part accounts for a larger proportion than the cystic part, and the number of papillary carcinomas in the solid component is greater, the base is wider, and the range is wider.