Anomalies of the Anterolateral Nuchal Region

Lesion	Ultrasound Appearance		Relationship to jugular v. and carotid artery	Other comments
Lesion	S/C/M	Other features	Relationship to jugular v. and carotid artery	Other comments
Hemangioma	S C M	Prominent arterial or venous flow +/- hydrops	Anterior or Anterolateral	DDX Maffuci's Syn. Klippel-Trenaunay Weber syndrome Beckwith-Wiedermann syndrome with soft tissue neurofibroma
Lymphadenopathy or metastatic tumour	S C M	May contain calcium especially neuroblastoma	Lateral	Usually from primary adrenal neuroblastoma
Branchial cleft cyst	C	Deep to sternomastoid muscle	Lateral	Usually from second branchial arch.
Transient cervical cyst	C	In soft tissues superficial to sternomastoid muscle	Lateral	Resolve spontaneously DDX brancial cleft cyst
Anterolat extention of posterior hygroma	C	Septated or non septated. May be associated with hydrops.	Lateral	Associated with aneuploidy especially Turners Syndrome

Suchet I Ultrasonography of the fetal neck in the second and third trimesters. Part 3. Anomalies of the anterior and anterolateral nuchal region Can Assoc Radiol J 1995; 46:426-433
Yancey MK, Lasley D, Richards DS. An unusual neck mass in a fetus with Klippel-Trenaunay-Weber Syndrome J Ultrasound Med 1993; 12:779-782
Bulas DI, Johnson D, Allen JF et al: Fetal Hemangioma. Sonographic and color flow findings. J Ultrasound Med 1992; 11:499-501
Ho PTC, Estroff JA, Kozakewich H et.al. Prenatal detection of neuroblastoma: a ten year experience from Dana-Farber Cancer Institute and Children's Hospital. Pediatrics 1993; 92:356-364
Newton ER, Louis F, Dalton ME et.al. Fetal Neuroblastoma and catecholamine-induced maternal hypertension. Obstet Gynecol 1985; 65(suppl):495-525

Lesion