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Vol. 78 • No. 5 CASE REPORTS neck areas. The light microscopic characterization is that of small cell carcinoma that involves primarily the dermis. The tumor cells have scanty cytoplasm, round to oval nuclei, and indistinct nucleoli. Ultrastructurally, the tumor cells are characterized by having short cytoplasmic processes that contain small, round, dense-core, membrane-bound granules. The alleged histogenetic origin of this neoplasm is from the epidermal Merkel cell.6 The tumor is locally aggressive and often metastasizes to regional lymph nodes from where it can disseminate, eventually causing death. The youngest patient reported so far is a 49-year-old woman.4 We are aware of a still younger patient, unreported, that at the time of diagnosis was thirty-five years of age. The patient we report here is twenty-four years of age, the youngest patient known so far to have a neuroendocrine carcinoma of the skin. The lesion was associated with a concurrent basal cell carcinoma at another site. The association of neuroendocrine carcinomas with squamous carcinoma of the skin has been reported recently.1 In most of these cases, squamous carcinoma was located at the same site of the neuroendocrine carcinoma. The simultaneous occurrence of neuroendocrine carcinoma and basal cell carcinoma of the skin in a 24-year-old patient is highly unusual. Whether these two tumors are related to a common carcinogenic stimulus or are just coincidental is not known. The relationship of these neoplasms to the underlying congenital ectodermal dysplasia, if any, appears more obscure; no other instance of this association is known to us. In recent review ar- 785 ticles on congenital ectodermal dysplasia, no relationship or predisposition to develop skin neoplasms is mentioned, 7 " although a previously reported patient with ectodermal dysplasia had diffuse eccrine poromatosis.10 References 1. Gomez LG, DiMaio SM, Silva EG, Mackay B: The association between neuroendocrine (Merkel cell) carcinoma and squamous carcinoma of the skin. Lab Invest 1981; 44:24 2. Gu J, Polak J, Tapia FJ, et al: Neuron-specific enolase in the Merkel cells of mammalian skin. Am J Pathol 1981; 104:6368 3. Hartschuh W, Weihe E, Biicher M, et al: Met-enkephalin-like immunoreactivity in Merkel cells. Cell Tissue Res 1979; 20:343-348 4. Sibley RK, Rosai J, Foucar E, et al: Neuroendocrine (Merkel cell) carcinoma of the skin. Am J Surg Pathol 1980; 4:211-221 5. Sidhu GS, Feiner H, Flotte TJ, et al: Merkel cell neoplasms. Histology, electron microscopy, biology, and histogenesis. Am J Dermatopathol 1980; 2:101-119 6. Silva EG, Mackay B: Neuroendocrine (Merkel cell) carcinoma of the skin. An ultrastructural study of nine cases. Ultrastructural Pathology 1981;2:1-10 7. Soloman LM, Kener EJ: The ectodermal dysplasias. Problems of classification and some newer syndromes. Dermatol 1980; 116:1295-1299 8. Tang C, Toker C: Trabecular carcinoma of the skin. Cancer 1978; 42:2311-2321 9. Toker C: Trabecular carcinoma of the skin. Arch Dermatol 1972; 105:107-110 10. Wilkinson RD, Schopflocher P, Rozenfeld M: Hidrotic ectodermal dysplasia with diffuse eccrine poromatosis. Arch Dermatol 1977; 113:472-476 11. Witkop CG, Brearley LJ, Gentry WC: Hypoplastic enamel, onycholysis, and hypohidrosis inherited as an autosomal dominant trait: A review of ectodermal dysplasia syndromes. Oral Surg 1975;39:71-86 Systemic Visceral Talc Granulomatosis Associated with Miliary Tuberculosis in a Drug Addict RENATO MARIANI-COSTANTINI, M.D., FRANK S. JANNOTTA, M.D., AND FRANK B. JOHNSON, M.D. Light and scanning electron microscopic study of tissues obtained at biopsy and at autopsy from a 64-year-old male drug addict revealed the presence of foreign body granulomas associated with birefringent crystals in the lungs, liver, bone marrow, spleen, and lymph nodes. Caseating granulomas associated with Myeobacteriaceoe tuberculosis were also present. Energy dispersive X-ray analysis identified the crystals as talc. Received August 19, 1981; received revised manuscript and accepted for publication May 10, 1982. Address reprint requests to Dr. Johnson: Department of Chemical Pathology, Armed Forces Institute of Pathology, Washington, D.C. 20306. Department of Pathology, George Washington University Medical Center and Department of Chemical Pathology, Armed Forces Institute of Pathology, Washington, D.C. Minute talc crystals were also visualized in urine sediment, by scanning electron microscopy and identified by energy dispersive X-ray analysis. (Key words: Granuloma; Drug addiction; Talc; Energy dispersive X-ray analysis; Urinary crystals) Am J Clin Pathol 1982; 78: 785-789 PULMONARY and more rarely hepatic granulomas due to microcrystalline emboli in drug addicts have been 0002-9173/82/1100/0785 $01.05 © American Society of Clinical Pathologists MARIANI-COSTANTINI ET AL. 786 documented by previous reports in the English literature. 4 ' 5 ' 7,810131417 They are caused by the particulate filler material present in pharmacologic preparations intended for oral use but illicitly administered intravenously. The principal filler able to produce granulomatous lesions is talc (hydrous magnesium silicate: Mg3Si4Oio(OH)2.13 Talc-containing pharmaceuticals that have been used intravenously by drug offenders include methadone, morphine, methylphenidate, tripelennamine, and propoxyphene.1314 This paper presents an unusual case of widespread visceral talc granulomatosis studied in biopsy and autopsy tissue by both light and scanning electron microscopy. We also report here the elimination of talc crystals in the urine. The mineralogic identity of the crystalline particles has been confirmed by energy dispersive X-ray analysis.3 Report of a Case The patient was a 64-year-old male, retired, black, construction worker with a past medical history of intravenous drug abuse and of severe chronic obstructive pulmonary disease. He was hospitalized for evaluation and treatment of fever and dyspnea. The chest X-ray revealed interstitial and alveolar infiltrates in the upper lobes of both lungs, chronic fibrotic changes, and increased pulmonary radiolucency. The arterial blood gases were: Poj 52 mmHg, Pco, 30 mmHg, and pH 7.53. Multiple blood, urine, sputum, and bronchial washing cultures for bacteria, mycobacteria, and fungi were negative. The PPD was also negative. The clinical question became one of excluding anergic miliary tuberculosis. For this reason, liver and bone marrow biopsies were performed, both of which revealed crystal-containing granulomas. The patient died two days later because of massive gastric hemorrhage due to a penetrating ulcer. Pathologic Findings At autopsy, the lungs had a combined weight of 1,800 g, and revealed marked interstitial fibrosis, and panacinar and centrilobular emphysema. Multiple white nodules measuring from 0.1 to 0.3 cm were present on the pleural and cut surfaces. The heart weighed 310 g. The right ventricle was dilated and hypertrophic. The liver weighed 2,000 g. and was moderately firm. The spleen was also firm and weighed 350 g. The abdominal, retroperitoneal, thoracic, axillary, and inguinal lymph nodes were enlarged, white, and rubbery. Samples of bone marrow (vertebral column, ribs, sterum, iliac crests) were grossly not remarkable. The antecubital veins of both arms were grossly obliterated and fibrotic. By light microscopy, the lungs revealed disruption of the alveolar septa with formation of large air spaces, striking septal, perivascular, and peribronchial fibrosis, and randomly located areas of nodular fibrosis. In addition, a prominent feature was the presence of foci of caseous necrosis. Multiple foreign body (noncaseating) granulomas were present within the fibrotic areas and in the alveolar septa. Colorless, clear, needle-shaped or flat, birefringent crystals, single or in clusters, measuring A.J.C.P. • November 1982 from 2 to 17 fi in length, were visualized within the granulomas. The pulmonary arteries (small and medium sized) and the arterioles were tortuous and showed organized thrombosis, intimal proliferation, eccentric fibrosis, and medial hypertrophy. Granulomas containing birefringent crystals were present in intraluminal, intramural, and perivascular positions (Fig. 1). The foci of caseous necrosis were often demarcated by histiocytes and Langhans giant cells and contained acid-fast bacilli, identified on culture as Mycobacteriaceae tuberculosis. The liver revealed advanced portal fibrosis. The connective tissue of the portal areas contained innumerable needle-shaped, birefringent crystals, foreign body giant cells, foamy histiocytes, and a few lymphocytes, at times forming granulomas. Noncaseating granulomas, most bearing birefringent crystals, and caseating granulomas containing acid-fast bacilli and rare or no crystals, were scattered in the parenchyma (Fig. 2). The spleen revealed innumerable birefringent crystals within histiocytic cells and multiple granulomas, some containing crystals and some with caseous necrosis. The abdominal, retroperitoneal, thoracic, axillary, and inguinal lymph nodes showed densefibrosiswith rare birefringent crystals and granulomas, some with caseation. The bone marrow showed scattered granulomas, containing foamy histiocytes, few giant cells and crystals. Some granulomas showed early caseation, but no acid-fast bacilli were visualized. The crystals found in the liver, spleen, and bone marrow measured from 2 to 10 n in length. The kidneys revealed scattered caseating granulomas with acid-fast bacilli and no birefringent crystals. A few isolated crystals were noted within glomerular capillaries and in the interstitium. The myocardium showed a few isolated, birefringent crystals in the interstitium, free or within histiocytes. The thyroid showed caseating granulomas with no crystals. Microscopic examination of the eyes revealed a few birefringent crystals in capillaries in the retina and optic nerve. The antecubital veins showed large perivenous and intravenous foreign body granulomas containing innumerable, needle-shaped or flat, birefringent crystals. Parathyroids, adrenals, hypophysis and central nervous system were normal microscopically. Scanning Electron Microscopy and Mineralogic Analysis Scanning electron microscopy was performed on a portion of bone marrow aspirate obtained from the right iliac crest three days prior to death and on a digested sediment of liver parenchyma obtained at autopsy. Energy dispensive X-ray analysis (EDXA) was also carried out on the bone marrow sample. Sediment from the digestion of hepatic tissue in 1.0 N NaOH and deparaffinized sections of bone marrow aspirate were mounted on spectrographically pure carbon. These were coated Vol. 78 • No. 5 CASE REPORTS FIG. 1 (upper, left). Lung, periarterial foreign body granulomas. Note birefringent crystals, single or clustered. Hematoxylin and eosin (partially polarized light X300). FIG. 2 (upper, right). Liver, portal fibrosis with foreign body granulomas, birefringent crystals, and adjacent intralobular, caseating granulomas. Hematoxylin and eosin (partially polarized light X300). FIG. 3 (lower, left). Liver, collection of flat crystals morphologically consistent with talc (scanning electron microscopy X5,000). FIG. 4 (lower, right). Energy dispersive X-ray analysis spectrum of crystals in carbon coated liver section. Note peaks for magnesium and silicon (from left to right). 787 MARIANI-COSTANTINI ET AL. 788 A.J.C.P. • November 1982 with carbon (liver sediment) or gold (bone marrow sections), and examined using a Philips 401 scanning electron microscope. Aggregates of crystals with the typical foliate morphologic features of talc were visualized (Fig. 3) and subjected to EDXA. Only magnesium and silicon were detected in significant quantity (Fig. 4). The relative heights of the peaks were typical of talc. The association of the crystalline morphologic features with the EDXA findings was characteristic of talc. Urine was collected in sterile containers during the last few days of life. Five hundred milliliters of urine were centrifuged at 3,000 rpm for 15 minutes. The sediment, washed twice with distilled water, was preserved in 95° alcohol and smeared on slides for light microscopic examination, as well as mounted on spectrographically pure carbon and coated with carbon for scanning electron microscopy. Scanning electron microscopy of this sediment demonstrated foliate, laminated crystals consistent with talc. EDXA on these crystals revealed only magnesium and silicon. Light microscopic examination of the urine sediment revealed a few minute crystals consistent with talc. spleen, bone marrow, and systemic lymph nodes. The frequency of the crystals present in the lungs and in the visceral organs of this individual suggests a long and heavy exposure, which was probably achieved through frequent intravenous injections of oral pharmaceuticals.14 The systemic talc embolization may be related to the largely obliterated and disrupted pulmonary septal capillary bed leading to the formation of arteriovenous shunts. It appears that only the smaller crystals (2-10 fi in length) were able to spread systemically. The larger crystals (10—17 ^t) remained localized in the lungs. Whether the active tuberculous lesions contributed to the mobilization of the talc is a possibility that cannot be proven. However, most of the extrapulmonary granulomas were of recent origin, being formed by macrophages and giant cells with absent or scarcefibrosis.This suggests a causal relationship between the necrotizing pulmonary tuberculosis and the systemic dissemination of talc. The massive involvement of the systemic macrophages in the uptake of crystals may have also been a factor facilitating the spread of Mycobacterium tuberculosis. Discussion Assuming random dispersion of the crystals in the vascular system, granulomas would be expected in every organ. However, no talc-related lesions were documented in this case in numerous sections of central nervous system, including the choroid plexuses and the hypophysis. Only a few crystals were present in the myocardium, in the retina and optic nerve, and in the kidneys. In contrast, the lungs, spleen, liver, bone marrow, and lymph nodes demonstrated abundant crystals and granulomas. The presence of phagocytic histiocytes was a common denominator of the organs in which there was a heavy concentration of talc particles and related pathologic characteristics. In addition, the lungs acted as the primary filter following intravenous administration. The presence of talc particles in the .urine demonstrates that talc crystals may pass through the glomerular capillary bed. This finding is consistent with the observations of Cook and Olson2 relating to the finding of amphibole asbestos fibers and other mineral particles in the urine in cases where these were ingested with drinking water. •In conclusion, talc crystals should be regarded as a possible cause of systemic granulomatosis and should be considered in the differential diagnosis of granulomatous lesions. In addition, this case suggests the possibility of detecting talc crystals in the urine of cases of systemic talc embolization. The . intravenous administration of pharmacologic preparations containing talc crystals is known to produce pulmonary angiothrombosis, foreign body granulomas, and pulmonaryfibrosisin durg addicts.4'5'8'10'1314,17 These changes lead to pulmonary hypertension11015 and may progress12" to cardiorespiratory insufficiency'and death.10 The pulmonary vascular bed acts as a filter, retaining the crystalline particles, so that in the majority of cases the pathologic lesions due to talc are limited to the lungs. However, the presence of extrapulmonary, visceral lesions proves that the crystals are able to escape the pulmonary filter, either because advanced pulmonaryfibrosisand angiothrombosis lead to the formation of arteriovenous shunts or because preexisting cardiac defects allow right to left vascular shunting.1416 Reported cases of extrapulmonary, visceral talcosis demonstrated minute crystals found sparsely in the spleen and in the interstitial tissue of the myocardium and kidneys.14"17 These crystals have been thought to be unable to produce significant damage.14 In contrast, hepatic granulomas attributed to talc have been reported in drug offenders.6'916 In one case,6 the crystalline particles have been identified as talc by X-ray diffraction, and the pathologic changes described consisted of portal fibrosis and chronic triaditis with collections of crystal-bearing macrophages. Our case demonstrates that intravenously administered talc is capable of producing granulomatous lesions not only in the lungs and in the liver, but also in the Acknowledgments. The authors wish to thank Ms. Sophie Turner for excellent technical assistance. CASE REPORTS Vol. 78 • No. 5 References 1. Bainborough AR, Jericho KWF: Cor pulmonale secondary to talc granulomata in the lungs of a drug addict. Can Med Assoc J 1970; 103:1297-1298 2. Cook PM, Olson GF: Ingested mineral fibers: elimination in human urine. Science 1979; 204:195-198 3. Fumahashi A, Siegesmund KA, Dragan RF, et al: Energy dispersive analysis in the study of pneumoconioses. Br J Ind Med 1977;34:95-101 4. Hopkins GB: Pulmonary angiothrombotic granulomatosis in drug offenders. JAMA 1972; 221:909-911 5. Hopkins GB, Taylor DG: Pulmonary talc granulomatosis: a complication of drug abuse. Am Rev Respir Dis 1970; 101:101 — 104 6. Ishak BW, Ishak KG: Foreign-body reaction in the liver of a drug addict. J Forensic Sci 1969; 14:515-520 7. Johnston WH, Waiman J: Pulmonary corn starch granulomas in a drug user. Arch Pathol 1971; 92:196-202 8. Kramer L: Parenteral talcum granulomatosis: a complication of narcotic addiction. Lab Invest 1962; i 1:671 789 9. Lancet editorial: Granulomas of the liver. Lancet 1975; 2:10791080 10. Lewman LV: Fatal pulmonary hypertension from intravenous injection of methylphenidate (Ritalin) tablets. Hum Pathol 1972; 3:67-70 11. Miller A, Teirstein AS, Bader ME, Bader RA, SelikofT IJ: Talc Pneumoconiosis. Am J Med 1971; 50:395-402 12. Napoli LD, Citgay SO, Twigg HL, et al: The lungs and drug abuse. Am Fam Physician 1974; 9:90-98 13. Siegel H: Human pulmonary pathology associated with narcotics and other addictive drugs. Hum Pathol 1972; 3:55-66 14. Tomashefski JF, Hirsch CS: The pulmonary vascular lesions of intravenous drug abuse. Hum Pathol 1980; 11:133-145 15. Wendt VE, Puro HE, Shapiro J, Mathews W, Wolf PL: Angiothrombotic pulmonary hypertension in addicts. "Blue velvet" addiction. JAMA 1964; 188:755-757 16. Whan Min K, Gyorkey F, Cain GD: Talc granulomata in liver disease in narcotic addicts. Arch Pathol 1974; 98:331-335 17. Zientara M, Moore S: Fatal talc embolism in a drug addict. Hum Pathol 1970; 1:324-327. Postpartum Hemophilia BARRY S. SHITAMOTO, M.D., KEVIN O. LESLIE, M.D., AND WILLIAM B. GALLOWAY, M.D. An acquired circulating inhibitor to Factor VIII:C was found in a 27-year-old postpartum woman who presented with ecchymoses and hematomas. Postpartum Factor VIII:C inhibitors can clinically manifest with signs and symptoms not unlike those in a classic hemophiliac. The natural history of this inhibitor is typically one of spontaneous disappearance with the return of the patient's previous hemostatic capacity. The authors describe a patient with the postpartum Factor VIII:C inhibitor, and discuss this unusual disease entity along with the therapeutic considerations. (Key words: Circulating inhibitor; Factor VIII) Am J Clin Pathol 1982; 78: 789-791 ACQUIRED CIRCULATING INHIBITORS to antihemophiliac globulin (Factor VIII:C) in the postpartum patient are very rare. Approximately 30 cases have been reported to date. Accurate diagnosis of this condition is important to the institution of appropriate therapy, as well as to the prediction of the natural course of the disease in affected patients. In this report, we present a patient with a postpartum Factor VIII:C inhibitor, along with a brief review of the cjinical and laboratory characteristics of this disorder. Received April 7, 1981; received revised manuscript and accepted for publication May 28, 1982. Supported in part by a gift from the R. J. Reynolds Industries, Inc. Address reprint requests to Dr. Shitamoto: Dept. of Laboratory Medicine and Pathology, 4540 Garfield Avenue South, University of Minnesota, Minneapolis, Minnesota 55455. Division of Blood Bank and Hematology, Denver General Hospital Department of Pathology, University of Colorado Health Sciences Center, Denver, Colorado Report of a Case A 27-year-old white woman, was admitted to Denver General Hospital five months postpartum with fever, chills, hematuria, and sharp pains in her right side which radiated to the pelvis. During the threeweek period prior to admission, she had developed a swollen, painful left calf, followed by the development of several painful bruises on the left hand, elbow, axilla, and right wrist. The patient had never manifested these symptoms previously. The patient had recently been on birth control pills, however, and stopped taking these four days prior to admission. The past medical history is pertinent for an uncomplicated delivery of a term 2,280-g, female infant. The family history is unremarkable. Physical examination on admission was pertinent for multiple swollen, tender ecchymoses present over the hands, upper arms, axillae, and right buttock. A test for occult stool blood was positive. The remainder of the physical examination was unremarkable. Laboratory assessment revealed normal electrolytes, the hematocrit, 37.1%; the hemoglobin, 11.5 g/dL; the erythrocyte sedimentation rate, 43 mm/hr; the platelet count, 295,000/mm3; the bleeding time, 7 minutes. Other coagulation data are shown in Table 1. The antinuclear antibody and rheumatoid factor were negative. Liver function tests were normal. A chest x-ray was unremarkable, and an intravenous pyelogram was normal. The patient's first day of hospitalization included acute lower extremity intramuscular bleeding and a drop in the hematocrit to 26%. 0002-9173/82/1100/0789 $00.95 © American Society of Clinical Pathologists