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Spinelli CP, Iwanaga J, Hur MS, Dumont AS, Tubbs RS. Discovery of a trans-sellar vascular supply for the pituitary gland. Anat Cell Biol 2022; 55:124-129. [PMID: 35599459 PMCID: PMC9256484 DOI: 10.5115/acb.21.255] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 02/11/2022] [Accepted: 03/03/2022] [Indexed: 11/27/2022] Open
Abstract
The vasculature of the pituitary gland is discussed briefly and the details of an anatomical discovery of the vessels supplying the pituitary gland provided. Twenty latex injected cadaveric heads were dissected. Any vessels that were found to penetrate the sella turcica and travel to the pituitary gland were documented and measured. Additionally, 25 adult skulls were evaluated for the presence, size, and sites of bony foramina in the floor of sella turcica. Trans-sellar vessels were identified in 65% of specimens. There was a mean of 1.5 vessels per specimen consisting usually of a mixture of veins and arteries. The mean diameter of these vessels was 0.3 mm and the mean length from the sella turcica to the pituitary gland was 2.3 mm. These vessels were concentrated in the most concave part of the sella turcica. In bony specimens, the mean number of trans-sellar foramina was four. The diameter of these foramina ranged from 0.3 to 0.6 mm in size. The trans-sellar foramina were concentrated near the center part of the sella turcica and had no regular pattern. The pituitary gland receives at least some blood supply and drainage via vessels traveling along the septum of the sphenoidal sinuses and through the sella turcica. Knowledge of such vessels might lead to a better understanding of the vascular supply and drainage of the pituitary gland and would be useful during skull base approaches such as trans-nasal approaches to the pituitary gland.
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Affiliation(s)
- Casey P Spinelli
- Tulane University & Ochsner Clinic Neurosurgery Program, Tulane University School of Medicine, New Orleans, LA, USA
| | - Joe Iwanaga
- Department of Neurosurgery, Tulane University School of Medicine, New Orleans, LA, USA.,Department of Neurology, Tulane University School of Medicine, New Orleans, LA, USA
| | - Mi-Sun Hur
- Department of Anatomy, Catholic Kwandong University College of Medicine, Gangneung, Korea
| | - Aaron S Dumont
- Department of Neurosurgery, Tulane University School of Medicine, New Orleans, LA, USA
| | - R Shane Tubbs
- Department of Neurosurgery, Tulane University School of Medicine, New Orleans, LA, USA.,Department of Neurology, Tulane University School of Medicine, New Orleans, LA, USA.,Department of Neurosurgery and Ochsner Neuroscience Institute, Ochsner Health System, New Orleans, LA, USA.,Department of Anatomical Sciences, St. George's University, St. George's, Grenada.,Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA.,Department of Structural & Cellular Biology, Tulane University School of Medicine, New Orleans, LA, USA.,University of Queensland, Brisbane, Australia
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