[Primary lymphoma of the rectum]

Area of Science:

• Gastroenterology
• Oncology
• Pathology

Background:

• Primary rectal lymphoma is a rare malignancy.
• Clinical presentation can mimic common rectal cancers, complicating diagnosis.

Observation:

• A case study of primary rectal lymphoma (123 cases) highlights diagnostic and therapeutic challenges.
• Deep and multiple perendoscopic biopsies are crucial for accurate diagnosis due to the submucous origin of these lymphomas.

Findings:

• Accurate staging, essential for treatment planning, requires comprehensive diagnostic studies to rule out multicentric disease.
• Surgery is typically reserved for Stage I/II disease or palliative care.
• Radiotherapy and chemotherapy, alone or in combination, are established treatment modalities, though optimal sequencing remains under investigation.

Implications:

• Standardized diagnostic protocols are needed to improve early detection of primary rectal lymphoma.
• Further research with larger, homogeneous patient cohorts is necessary to optimize treatment strategies and improve patient outcomes.