Gallbladder adenocarcinoma involving lamina propria and muscular layer. What is the preferred treatment
**Core Concept**
Gallbladder adenocarcinoma is a type of cancer that originates from the epithelial cells lining the gallbladder. The lamina propria and muscular layer involvement in gallbladder adenocarcinoma indicates a more advanced stage of the disease. Treatment options for gallbladder cancer depend on the stage and extent of the disease.
**Why the Correct Answer is Right**
Involvement of the lamina propria and muscular layer suggests that the cancer has invaded beyond the mucosa, making it a T2 tumor according to the TNM staging system. For T2 tumors, the preferred treatment is surgical resection, specifically a cholecystectomy with regional lymphadenectomy. This approach aims to remove the primary tumor and affected lymph nodes to achieve a cure or prolong survival.
**Why Each Wrong Option is Incorrect**
* **Option A:** Chemotherapy alone is not sufficient for T2 gallbladder cancer, as it may not address the local disease.
* **Option B:** Radiotherapy may be used as an adjuvant treatment to reduce the risk of recurrence, but it is not the primary treatment for T2 tumors.
* **Option D:** A palliative approach may be considered for more advanced stages of gallbladder cancer, but it is not the preferred treatment for T2 tumors.
**Clinical Pearl / High-Yield Fact**
For gallbladder cancer, the prognosis is generally poor, especially if diagnosed at an advanced stage. Early detection and surgical resection offer the best chance of cure or prolonged survival.
**Correct Answer:** C. Cholecystectomy with regional lymphadenectomy.