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Arch Otolaryngol Head Neck Surg. 1992;118(7):772-775. doi:10.1001/archotol.1992.01880070102022
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Pathologic Quiz Case 1  Wade R. Cressman, MD, Charles M. Myer III, MD, Cincinnati, OhioAn 8-year-old boy presented with an expansile right-sided neck mass. This had been noted several weeks previously during an episode of straining. The physical examination showed nothing abnormal except when the patient performed a Valsalva maneuver, when a soft mass deep to the right sternocleidomastoid in the midcervical region was palpable (Fig 1).A computed tomographic scan demonstrated a 7×5×8-cm, multiseptated, contrast-enhancing mass in the anterior mediastinum with extension superiorly to the thoracic inlet with mild compression of the intrathoracic trachea (Fig 2). With the Valsalva maneuver, this mass was visualized deep to the right sternocleidomastoid muscle, extending from the hyoid to the thoracic inlet, displacing the right carotid sheath posteriorly and the trachea leftward. No adenopathy or bony erosion was evident.The patient was taken to the operating room, where, through a low

REFERENCES

Guba AM, Adam AE, Jaques DA, Chambers RE.  Cervical presentation of thymic cysts . Am J Surg . 1978;;136:430-436.
Jensen JH, Larsen JL, Asschenfeldt P.  Congenital thymic cysts in the neck . Int J Pediatr Otorhinolaryngol . 1983;;6:95-100.
Mikal S.  Cervical thymic cyst . Arch Surg . 1974;;109:558-562.
Wagner CW, Vinocur CD, Weintraub WH, Golladay ES.  Respiratory complications in cervical thymic cysts . J Pediatr Surg . 1988;;23:657-660.
Barrick B, O'Kell RT.  Thymic cysts and remnant cervical thymus . J Pediatr Surg . 1969;;4:355-357.
Ellis HA.  Cervical thymic cysts . Br J Surg . 1967;;54:17-20.
Fahmy S.  Cervical thymic cysts: their pathogenesis and relationship to branchial cysts . J Laryngol Otol . 1974;;88:47-60.
Bieger RC, McAdams AJ.  Thymic cysts . Arch Pathol Lab Med . 1966;;82: 535-541.
Graeber GM, Thompson LD, Ronnigen LD, Zajtchuk R.  Cystic lesion of the thymus . J Thorac Cardiovasc Surg . 1984;;87:295-300.
Leong AS, Brown H.  Malignant transformation in a thymic cyst . Am J Surg Pathol . 1984;;8:471-475.
Ridenhour CE, Henzel JH, DeWeese MS, Kerr SE.  Thymoma arising from undescended cervical thymus . Surgery . 1970;;67:614-619.
Sanusi ID, Carrington PR, Adams DN.  Cervical thymic cyst . Arch Dermatol . 1982;;122-124.
Maceri DR, Saxon KG.  Neurofibromatosis of the head and neck . Head Neck Surg . 1984;;6:842-850.
White AK, Smith RJH, Brooke WF, Bigler CR, Schauer PR.  Head and neck manifestations of neurofibromatosis . Laryngoscope . 1986;;96:732-737.
Holt GR.  Von Recklinghausen's neurofibromatosis . Otolaryngol Clin North Am . 1987;;20:179-193.
Shack RB, Reilly AF, Lynch JB.  Neurofibromas of the head and neck . South Med J . 1985;;78:801-804.
Griffith BH, Lewis VL.  Neurofibromas of the head and neck . Surg Gynecol Obstet . 1985;;160:534-538.
Adkins JC, Ravitch MM.  The operative management of von Recklinghausen's neurofibromatosis in children . Surgery . 1977;;82:342-348.

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Guba AM, Adam AE, Jaques DA, Chambers RE.  Cervical presentation of thymic cysts . Am J Surg . 1978;;136:430-436.
Jensen JH, Larsen JL, Asschenfeldt P.  Congenital thymic cysts in the neck . Int J Pediatr Otorhinolaryngol . 1983;;6:95-100.
Mikal S.  Cervical thymic cyst . Arch Surg . 1974;;109:558-562.
Wagner CW, Vinocur CD, Weintraub WH, Golladay ES.  Respiratory complications in cervical thymic cysts . J Pediatr Surg . 1988;;23:657-660.
Barrick B, O'Kell RT.  Thymic cysts and remnant cervical thymus . J Pediatr Surg . 1969;;4:355-357.
Ellis HA.  Cervical thymic cysts . Br J Surg . 1967;;54:17-20.
Fahmy S.  Cervical thymic cysts: their pathogenesis and relationship to branchial cysts . J Laryngol Otol . 1974;;88:47-60.
Bieger RC, McAdams AJ.  Thymic cysts . Arch Pathol Lab Med . 1966;;82: 535-541.
Graeber GM, Thompson LD, Ronnigen LD, Zajtchuk R.  Cystic lesion of the thymus . J Thorac Cardiovasc Surg . 1984;;87:295-300.
Leong AS, Brown H.  Malignant transformation in a thymic cyst . Am J Surg Pathol . 1984;;8:471-475.
Ridenhour CE, Henzel JH, DeWeese MS, Kerr SE.  Thymoma arising from undescended cervical thymus . Surgery . 1970;;67:614-619.
Sanusi ID, Carrington PR, Adams DN.  Cervical thymic cyst . Arch Dermatol . 1982;;122-124.
Maceri DR, Saxon KG.  Neurofibromatosis of the head and neck . Head Neck Surg . 1984;;6:842-850.
White AK, Smith RJH, Brooke WF, Bigler CR, Schauer PR.  Head and neck manifestations of neurofibromatosis . Laryngoscope . 1986;;96:732-737.
Holt GR.  Von Recklinghausen's neurofibromatosis . Otolaryngol Clin North Am . 1987;;20:179-193.
Shack RB, Reilly AF, Lynch JB.  Neurofibromas of the head and neck . South Med J . 1985;;78:801-804.
Griffith BH, Lewis VL.  Neurofibromas of the head and neck . Surg Gynecol Obstet . 1985;;160:534-538.
Adkins JC, Ravitch MM.  The operative management of von Recklinghausen's neurofibromatosis in children . Surgery . 1977;;82:342-348.

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