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Clinicopathologic Report |

Hemangiopericytoma of the Lacrimal Sac FREE

Norman C. Charles, MD; Richard N. Palu, MD; Jaishree S. Jagirdar, MD
[+] Author Affiliations

Section Editor: W. Richard Green, MD

More Author Information
Arch Ophthalmol. 1998;116(12):1677-1680. doi:10.1001/archopht.116.12.1677.
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Published online

Hemangiopericytoma (HPCT) rarely originates in the lacrimal sac; 7 cases have been reported previously and only 1 contained an ultrastructural study. In this article we report an additional case and review the previous reports. While the initial biopsy specimen showed nonspecific cytologic abnormalities, light and electron microscopic studies on the subsequently excised tumor demonstrated that it had a structure characteristic of HPCT. The onset of lacrimal sac HPCT occurs in a younger age group than that of HPCT of other orbital locations. The tumor may recur locally but, to our knowledge, never has been reported to metastasize from a sac location. The treatment goal is complete surgical excision.

Masses in the lacrimal sac are found infrequently in ophthalmic practice. While most are inflammatory, a variety of neoplasms may occur, three fourths being of epithelial origin. Uncommon nonepithelial neoplasms include mesenchymal tumors (fibrous histiocytoma, hemangiopericytoma, and lipoma), lymphoid tumors, melanoma, granulocytic sarcoma, and neural tumors (neurofibroma and neurilemoma).1

A 31-year-old man noted a slowly enlarging, painless lump in the right medial canthus with epiphora, which he had for 6 months. No bloody reflux or blood-tinged tears had been observed. Findings from an ophthalmic examination were unremarkable except for a ballottable, nontender lacrimal sac mass without exophthalmos. Lower punctal irrigation produced only a clear reflux through the upper punctum. Computed tomographic scan showed a well-circumscribed, nonhomogeneous tumor confined to a slightly enlarged nasolacrimal fossa and extending above the medial canthal tendon, without bony destruction(Figure 1).

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Figure 1.

Left, Right inner canthal lacrimal sac mass. Right, Computed tomographic scan shows enlargement of bony lacrimal fossa by mass (10).

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Fine needle aspiration yielded only blood, without tumor cells. An open biopsy had been interpreted elsewhere as showing a "benign fibrohistiocytic tumor." Histopathologic review showed tumor cells with irregularly shaped nuclei, small nucleoli, and bubbly cytoplasm alternating with areas of fibrosis (Figure 2). Immunohistochemical staining showed tumor cell positivity for vimentin and negativity for desmin, ulex, KP1, actin, α1-antichymotrypsin, cytokeratin/AE-1, and S100.

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Figure 2.

Left, Tumor cells with ovoid-to-polygonal nuclei and myxoid, bubbly cytoplasm. Right, Separate area shows fibrosis (hematoxylin-eosin, original magnification ×160).

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A right dacryocystectomy was performed; the surgeon estimated total tumor removal. Healing was normal, and in the 313 years that have elapsed since the removal, the tumor has not recurred.

Gross examination showed a gray ovoid mass measuring 12 × 12 × 10 mm. Histopathologic examination showed a hypercellular tumor surrounded by a fibrous pseudocapsule. The tumor consisted of innumerable ovoid-to-spindle–shaped nuclei, which—unlike the original biopsy specimen—were clearly arranged within a network of small blood vessels, frequently in a "staghorn" configuration (Figure 3). There were 1 to 2 mitotic figures per 40× high-power field. Periodic acid–Schiff and reticulin stains demonstrated abundant basal lamina enveloping vessels and individual cells within a rich vascular network. Immunoreagent CD34 stained only endothelial cells (Figure 4).

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Figure 3.

Left, Hypercellular tumor contains "staghorn" vascular spaces (S) (hematoxylin-eosin, original magnification ×25). Right, Vascular network (arrows) is present amidst tumor cells (hematoxylin-eosin, original magnification ×160).

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Figure 4.

Immunoperoxidase stain CD34 stains endothelial vascular lining (arrow) but not tumor cells (hematoxylin-eosin, original magnification ×160).

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Electron microscopy showed collapsed thin-walled vessels surrounded by abundant basement membrane material and elongated cells with long cytoplasmic processes. Some cells showed surface basement membrane and, rarely, a cilium. Nuclei contained clumped chromatin and a prominent nucleolus (Figure 5 and Figure 6).

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Figure 5.

Electron micrograph shows tumor cell (T) with ovoid nucleus, prominent nucleolus (asterisk), and elongated cytoplasmic processes (arrowheads). Adjacent capillary with lumen (L) shows pericyte with multilaminar basement membrane (B) (original magnification ×11,250).

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Figure 6.

Adjacent to capillary lumen (L) with endothelial lining (large arrowhead), tumor cell shows interrupted basement membrane (small arrowheads), rough-surfaced endoplasmic reticulum (R), and irregular nuclear border. Larger tumor cell contains mitochondria (m), large nucleolus, and adjacent elongated cytoplasmic processes (P) (original magnification ×19,000).

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An uncommon tumor in the field of ophthalmic pathology, HPCT is usually encountered in the orbit,2 but may originate in conjunctiva,3,4 choroid,5 optic nerve,6 or medial canthal skin.7 Its occurrence in the lacrimal sac is rare (found in about 1% of sac tumors); only 7 cases have been reported1,813(Table 1). While orbital HPCT usually appears at the median and mean age of approximately 42 years,2 the earlier onset of lacrimal sac HPCT (third to fifth decades of life)1,813 probably relates to its relatively noticeable, symptomatic periocular location when small.

Table Graphic Jump LocationCase Reports of Lacrimal Sac Hemangiopericytoma

Classical HPCT microanatomy resembles that of the final excision in histopathologic terms. Occasionally, as in the initial biopsy specimen, diagnosis may be obscured by areas of myxoid, fibroid, or hyaline degenerative or inflammatory changes. Immunohistochemistry, which is invariably positive for vimentin, and electron microscopy may be valuable in such instances.

While most pathologists agree that a good case can be made for the existence of HPCT as a pathologic and morphologic entity, controversy derives from "hemangiopericytomatous" focal growth patterns present in such diverse entities as mesenchymal chondrosarcoma, malignant fibrous histiocytoma, solitary fibrous tumor, and malignant peripheral nerve sheath tumors.14 Such tumors can usually be separated from "true" HPCT by dissimilar subcellular and clinical features detected by specialized pathologic analyses. For example, HPCT reacts with vimentin, with or without CD34, but lacks other immunodeterminants of epithelial, neural, and myogenous differentiation (except for rare focal actin and desmin positivity).15

Ultrastructurally, HPCT cells resemble pericytes, having few cytoplasmic organelles. Subpopulations of HPCT cells may, however, show thin actin filaments with fusiform densities (indicating smooth muscle differentiation and correlating with positive actin stains). Continuous or interrupted basement membrane may envelop the cell.14

While orbital HPCTs may show a spectrum from benign to frankly malignant cytologic patterns, the subsequent biological behavior of the tumor cannot be accurately predicted from cytologic features alone. Metastasis has been documented in some tumors that appeared cytologically benign.2 To our knowledge, no lacrimal sac HPCT has been reported to have metastasized to date.

Although optimal therapy for lacrimal sac HPCT is not established because of its rarity, treatment should follow advocated regimens for HPCT's occurrence in other locations. Total local excision is recommended. As bony invasion is unusual in orbital locations,2 stripping the periorbit usually results in complete excision. Patients should be monitored for local recurrence, which has been documented in 3 of 8 lacrimal sac tumors.1012 In cases of incomplete excision, local recurrence, or malignant cytologic features, ocular function should be assessed and additional surgery, radiation therapy,16 or chemotherapy17 should be considered. To date, however, no consensus exists on whether either of the latter 2 treatment modalities are effective.

Accepted for publication August 3, 1998.

This study was supported in part by a departmental grant from Research to Prevent Blindness, Inc, New York, NY.

Presented at the combined meeting of the Hogan and Theobald Ophthalmic Pathology Societies, October 4, 1996, Tucson, Ariz.

Corresponding author: Norman C. Charles, MD, Eye Pathology Laboratory, New York University Medical Center, NB-5N20, 550 First Ave, New York, NY 10016.

Pe'er  JJStefanyszyn  MHidayat  AA Nonepithelial tumors of the lacrimal sac. Am J Ophthalmol. 1994;118650- 658
Croxatto  JOFont  RL Hemangiopericytoma of the orbit: a clinicopathologic study of 30 cases. Hum Pathol. 1982;13210- 218
Link to Article
Sujatha  SSampath  RBonshek  RETullo  AB Conjunctival haemangiopericytoma. Br J Ophthalmol. 1994;78497- 499
Link to Article
Grossniklaus  HEGreen  WRWolff  SMIliff  NT Hemangiopericytoma of the conjunctiva: two cases. Ophthalmology. 1986;93265- 267
Link to Article
Papale  JJFrederick  ARAlbert  DM Intraocular hemangiopericytoma. Arch Ophthalmol. 1983;1011409- 1411
Link to Article
Boniuk  MMessmer  EPFont  RL Hemangiopericytoma arising from the meninges of the optic nerve: a clinico-pathologic report including electron microscopic observations. Ophthalmology. 1985;921780- 1787
Link to Article
Sekundo  WRoggenkaemper  PTschubel  KFisher  HP Hemangiopericytoma of the inner canthus. Am J Ophthalmol. 1996;121445- 475
Gurney  NChalkley  TO'Grady  R Lacrimal sac hemangiopericytoma. Am J Ophthalmol. 1971;71757- 759
Ni  CD'Amico  JFan  CQKuo  PK Tumors of the lacrimal sac: a clinicopathological analysis of 82 cases. Int Ophthalmol Clin. 1982;22121- 140
Link to Article
Carnevali  LTrimarchi  FRosso  RStringa  M Haemangiopericytoma of the lacrimal sac: a case report. Br J Ophthalmol. 1988;72782- 785
Link to Article
Roth  SIAugust  CZLissner  GSO'Grady  RB Hemangiopericytoma of the lacrimal sac. Ophthalmology. 1991;98925- 927
Link to Article
Lim  KHKim  YKim  YI Hemangiopericytoma of the lacrimal sac. Korean J Ophthalmol. 1991;588- 91
Rubin  PAShore  JWJakobiec  FATo  K Hemangiopericytoma of the lacrimal sac. Ophthalmic Surg. 1992;23562- 563
Rosai  J Ackerman's Surgical Pathology. 8th ed.Vol 2. St Louis, Mo Mosby–Year Book Inc1996;2066- 2068
Nappi  ORitter  JHPettinato  GWick  MR Hemangiopericytoma: histopathological pattern or clinicopathologic entity? Semin Diagn Pathol. 1995;12221- 232
Setzkorn  RKLee  DIliff  NTGreen  WR Hemangiopericytoma of the orbit treated with conservative surgery and radiotherapy. Arch Ophthalmol. 1987;1051103- 1105
Link to Article
Sullivan  TJWright  JEWulc  AW  et al.  Haemangiopericytoma of the orbit. Aust N Z J Ophthalmol. 1992;20325- 332
Link to Article

Figures

Place holder to copy figure label and caption
Figure 1.

Left, Right inner canthal lacrimal sac mass. Right, Computed tomographic scan shows enlargement of bony lacrimal fossa by mass (10).

Graphic Jump Location
Place holder to copy figure label and caption
Figure 2.

Left, Tumor cells with ovoid-to-polygonal nuclei and myxoid, bubbly cytoplasm. Right, Separate area shows fibrosis (hematoxylin-eosin, original magnification ×160).

Graphic Jump Location
Place holder to copy figure label and caption
Figure 3.

Left, Hypercellular tumor contains "staghorn" vascular spaces (S) (hematoxylin-eosin, original magnification ×25). Right, Vascular network (arrows) is present amidst tumor cells (hematoxylin-eosin, original magnification ×160).

Graphic Jump Location
Place holder to copy figure label and caption
Figure 4.

Immunoperoxidase stain CD34 stains endothelial vascular lining (arrow) but not tumor cells (hematoxylin-eosin, original magnification ×160).

Graphic Jump Location
Place holder to copy figure label and caption
Figure 5.

Electron micrograph shows tumor cell (T) with ovoid nucleus, prominent nucleolus (asterisk), and elongated cytoplasmic processes (arrowheads). Adjacent capillary with lumen (L) shows pericyte with multilaminar basement membrane (B) (original magnification ×11,250).

Graphic Jump Location
Place holder to copy figure label and caption
Figure 6.

Adjacent to capillary lumen (L) with endothelial lining (large arrowhead), tumor cell shows interrupted basement membrane (small arrowheads), rough-surfaced endoplasmic reticulum (R), and irregular nuclear border. Larger tumor cell contains mitochondria (m), large nucleolus, and adjacent elongated cytoplasmic processes (P) (original magnification ×19,000).

Graphic Jump Location

Tables

Table Graphic Jump LocationCase Reports of Lacrimal Sac Hemangiopericytoma

References

Pe'er  JJStefanyszyn  MHidayat  AA Nonepithelial tumors of the lacrimal sac. Am J Ophthalmol. 1994;118650- 658
Croxatto  JOFont  RL Hemangiopericytoma of the orbit: a clinicopathologic study of 30 cases. Hum Pathol. 1982;13210- 218
Link to Article
Sujatha  SSampath  RBonshek  RETullo  AB Conjunctival haemangiopericytoma. Br J Ophthalmol. 1994;78497- 499
Link to Article
Grossniklaus  HEGreen  WRWolff  SMIliff  NT Hemangiopericytoma of the conjunctiva: two cases. Ophthalmology. 1986;93265- 267
Link to Article
Papale  JJFrederick  ARAlbert  DM Intraocular hemangiopericytoma. Arch Ophthalmol. 1983;1011409- 1411
Link to Article
Boniuk  MMessmer  EPFont  RL Hemangiopericytoma arising from the meninges of the optic nerve: a clinico-pathologic report including electron microscopic observations. Ophthalmology. 1985;921780- 1787
Link to Article
Sekundo  WRoggenkaemper  PTschubel  KFisher  HP Hemangiopericytoma of the inner canthus. Am J Ophthalmol. 1996;121445- 475
Gurney  NChalkley  TO'Grady  R Lacrimal sac hemangiopericytoma. Am J Ophthalmol. 1971;71757- 759
Ni  CD'Amico  JFan  CQKuo  PK Tumors of the lacrimal sac: a clinicopathological analysis of 82 cases. Int Ophthalmol Clin. 1982;22121- 140
Link to Article
Carnevali  LTrimarchi  FRosso  RStringa  M Haemangiopericytoma of the lacrimal sac: a case report. Br J Ophthalmol. 1988;72782- 785
Link to Article
Roth  SIAugust  CZLissner  GSO'Grady  RB Hemangiopericytoma of the lacrimal sac. Ophthalmology. 1991;98925- 927
Link to Article
Lim  KHKim  YKim  YI Hemangiopericytoma of the lacrimal sac. Korean J Ophthalmol. 1991;588- 91
Rubin  PAShore  JWJakobiec  FATo  K Hemangiopericytoma of the lacrimal sac. Ophthalmic Surg. 1992;23562- 563
Rosai  J Ackerman's Surgical Pathology. 8th ed.Vol 2. St Louis, Mo Mosby–Year Book Inc1996;2066- 2068
Nappi  ORitter  JHPettinato  GWick  MR Hemangiopericytoma: histopathological pattern or clinicopathologic entity? Semin Diagn Pathol. 1995;12221- 232
Setzkorn  RKLee  DIliff  NTGreen  WR Hemangiopericytoma of the orbit treated with conservative surgery and radiotherapy. Arch Ophthalmol. 1987;1051103- 1105
Link to Article
Sullivan  TJWright  JEWulc  AW  et al.  Haemangiopericytoma of the orbit. Aust N Z J Ophthalmol. 1992;20325- 332
Link to Article

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