Examkin

Soru

Zorluk: OrtaGynecologic Oncology

Match each gynecologic malignancy with its most characteristic primary route of spread or classic pattern of metastasis.

  • Gestational choriocarcinomaEarly hematogenous dissemination, most commonly to the pulmonary parenchyma
  • Epithelial ovarian carcinomaExfoliation of malignant cells leading to diffuse transcoelomic seeding and omental caking
  • Vulvar squamous cell carcinomaPredictable, step-wise lymphatic spread initially to the superficial inguinal nodes
  • Cervical squamous cell carcinomaDirect local extension to the parametrium and upper vagina, frequently causing bilateral ureteral obstruction

Cevap

Gestational choriocarcinoma matches with hematogenous dissemination to the lungs; epithelial ovarian carcinoma matches with transcoelomic seeding and omental caking; vulvar squamous cell carcinoma matches with lymphatic spread to superficial inguinal nodes; cervical squamous cell carcinoma matches with direct extension to the parametrium.
Each major gynecologic malignancy possesses a characteristic initial route of spread that dictates its staging, clinical presentation, and primary cause of morbidity. Choriocarcinoma is highly vascular and spreads hematogenously to the lungs; epithelial ovarian cancer exfoliates into the abdomen spreading transcoelomically; vulvar cancer spreads lymphatically to the inguinal nodes; and cervical cancer spreads locally via direct extension to the parametria.

Adım Adım Çözüm

1
Identify the primary metastatic pathway for gestational choriocarcinoma.
Recognize that choriocarcinoma is highly angioinvasive, leading to early hematogenous spread, most commonly to the lungs.
Understanding the vascular nature of trophoblastic tissue explains its unique predilection for rapid blood-borne metastasis.
2
Identify the primary metastatic pathway for epithelial ovarian carcinoma.
Recognize that ovarian cancer sheds cells into the peritoneal cavity, resulting in transcoelomic spread, ascites, and omental involvement.
The anatomical position of the ovaries within the open peritoneal cavity facilitates early direct exfoliation of tumor cells.
3
Identify the primary metastatic pathway for vulvar squamous cell carcinoma.
Recognize that vulvar cancer spreads lymphatically in a stepwise fashion, first affecting the superficial inguinal lymph nodes.
The specific lymphatic drainage pattern of the vulva directly dictates the surgical staging approach for this malignancy.
4
Identify the primary metastatic pathway for cervical squamous cell carcinoma.
Recognize that cervical cancer grows locally into adjacent structures, particularly the parametrium, which can encapsulate the ureters.
Local anatomical relationships are crucial, as bilateral ureteral obstruction and subsequent renal failure are major terminal complications of advanced cervical cancer.

Anahtar Kavram

Metastatic pathways of gynecologic malignancies
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Konular

Gynecologic Oncology

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