Malignant neoplasm of adipose tissue is called-

Appeared in: RUHS, Jaipur, PB B.Sc Nursing Entrance-2024

Explanation

Liposarcoma is defined as a malignant tumor originating from adipose (fat) tissue.
The name is derived from standard medical terminology: the prefix 'Lipo-' refers to fat, and the suffix '-sarcoma' denotes a malignant tumor of mesenchymal (connective tissue) origin.
Liposarcomas are the most common type of soft tissue sarcoma in adults and typically occur in deep soft tissues like the thigh or retroperitoneum.

Option B: A lipoma is a benign (non-cancerous) tumor of adipose tissue. The question asks for a malignant neoplasm.
Option C: An adenoma is a benign tumor that originates from glandular epithelial tissue, not adipose tissue.
Option D: A fibrosarcoma is a malignant tumor, but it arises from fibrous connective tissue, not the adipose tissue specified in the question.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Nomenclature of benign and malignant soft tissue tumors as background academic context rather than a clinical decision trigger.
Understanding tumor nomenclature is fundamental for nurses to interpret pathology reports, communicate effectively with the healthcare team, and educate patients about their diagnosis.
The distinction between a benign lipoma and a malignant liposarcoma is critical. Lipomas are common, slow-growing, and rarely cause problems, whereas liposarcomas are aggressive cancers that require complex treatment plans including surgery, radiation, and/or chemotherapy.
What if? If a patient has a large, deep, and rapidly growing mass in their thigh, a nurse should recognize these as red flags for a potential sarcoma (like liposarcoma) rather than a simple lipoma, and ensure prompt referral for diagnostic imaging and biopsy.

How to Approach the Question

First, identify the key terms in the question stem: 'Malignant neoplasm' (meaning cancerous tumor) and 'adipose tissue' (meaning fat tissue).
Next, analyze the prefixes of the options to determine the tissue of origin. 'Lipo-' refers to fat, 'Adeno-' to glands, and 'Fibro-' to fibrous tissue.
Then, analyze the suffixes. Recall that '-oma' generally refers to a benign tumor, while '-sarcoma' refers to a malignant tumor of connective tissue.
Combine the prefix for fat ('Lipo-') with the suffix for a malignant tumor ('-sarcoma') to find the correct term: Liposarcoma.
Eliminate the other options based on their tissue type (Adenoma, Fibrosarcoma) or benign nature (Lipoma).

Concept Tested & Keywords

Q-sCn-mGV3oQNf2DYunliV

E6 Pathology- ROBBINS & COTRAN PATHOLOGIC BASIS OF DISEASE 10TH Ed p. 1208-1210

E6 PATHOLOGY QUICK REVIEWBased on Harsh Mohan Textbook of PATHOLOGY p. 260-262

Practise the full RUHS, Jaipur, PB B.Sc Nursing Entrance-2024

Attempt every question from this paper in a timed mock, then review the full solution for each one.